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Archive for genetic quality

How Beef Sire Semen is Transforming Dairy Herd Profitability and Genetics

Wednesday, October 30th, 2024

Explore how beef semen is transforming dairy herds and increasing profits. Ready to enhance your breeding strategy?

Summary:

Integrating beef semen into dairy breeding has revolutionized genetic strategies, allowing farmers to blend dairy and beef traits, enhancing profitability and herd performance while reducing disease risks through decreased reliance on purchased animals. Strategic choices between sexed dairy and beef semen across different lactation stages underscore the significance of these advancements. Selecting suitable beef sires focuses on traits like calving ease and carcass quality, fostering a lucrative beef-on-dairy market. The rapid evolution of genetic strategies, bolstered by genomics and sexed semen technology, enables farmers to selectively breed top-performing cows selectively, enhancing the genetic quality of future generations and ensuring a steady supply of replacement heifers. With cost differences and factors such as the lactation stage influencing the decision between dairy and beef semen, innovative tools like the ‘Beef-on-Dairy Query’ empower farmers to make data-driven decisions, paving the way for resilient and economically viable dairy operations.

Key Takeaways:

  • Integrating beef semen into dairy breeding programs has significantly changed dairy herd management, enhancing genetic strategies and profitability.
  • Increased use of sexed and beef semen in dairy herds has optimized replacement heifer quality and sale value of crossbred calves.
  • Factors like lactation number, insemination number, and the genetic potential of the breeding stock influence the rise in beef semen use.
  • Farmers have leveraged the genetic evaluations available for beef bulls, using Expected Progeny Differences (EPDs) to predict offspring performance and optimize breeding.
  • Lactanet and Angus Genetics Inc. developed the new “Beef-on-Dairy Query” tool to enhance dairy farmers’ sire selection decisions.
  • Strategic selection of beef sires based on traits such as calving ease and carcass quality aligns breeding programs with market demands.

Who would have thought that beef could be the secret ingredient in optimizing dairy herd profitability and genetics? Integrating beef sire semen into dairy herds is not just a breeding choice; it’s an industry game-changer. This practice is revolutionizing how dairy farmers approach herd management, transforming the traditional dairy operation into a more diversified and profitable enterprise by diversifying revenue streams through beef-on-dairy calves, enhancing genetic quality to improve herd performance, and reducing disease risks by minimizing the need for purchased animals. By strategically using beef sire semen, farmers can enhance the value of their herds while maintaining genetic quality, paving the way for a future where dairy operations are more resilient and economically viable. Let’s delve into the dynamics of this transformative trend and explore how it’s reshaping the fabric of the dairy industry, one calf at a time. It’s not just about producing milk anymore; it’s about maximizing the genetic and economic potential of every calf born on the farm.

Figure 1. Breakdown in Type of Semen Used in Canada Since 2021 by Lactation Number

beef sire semen, dairy herd management, genetic quality, herd performance, disease risk reduction, sexed semen technology, replacement heifers, Expected Progeny Differences, genomic strategies, dairy industry evolution

Unleashing the Bull: How Beef Genetics are Redefining Dairy

The rapid evolution of genetic strategies within the dairy industry has marked a significant turning point in herd management and breeding precision. At the forefront of this transformation is the application of genomics, which entails analyzing cows’ genetic makeup to identify desirable traits. This innovative approach allows dairy farmers to decide which animals to breed, leading to healthier and more productive herds. 

Furthermore, the integration of sexed semen technology has empowered farmers to selectively breed their top-performing cows with a higher probability of producing female offspring. This focus enhances the genetic quality of future generations and guarantees the availability of the desired number of replacement heifers. As a direct consequence, dairy farms are experiencing elevated levels of genetic improvement and overall herd performance. 

Including beef sire semen in the breeding, regimen has also shaped modern dairy herd genetics. This practice enables farmers to utilize less valuable females for beef production, enhancing the economic returns from calf sales. Dairy farmers can effectively manage and optimize their herd composition by expanding into beef markets, aligning with broader market demands. 

These advancements afford a new dimension of precision in breeding strategies, allowing for more targeted genetic progress and streamlined herd management. As these practices become increasingly integrated into the dairy industry, they offer a paradigm shift toward maximizing profitability and efficiency in dairy farming operations worldwide. 

Figure 2. Breakdown in Type of Semen Used in Canada Since 2021 by Insemination Number

beef sire semen, dairy herd management, genetic quality, herd performance, disease risk reduction, sexed semen technology, replacement heifers, Expected Progeny Differences, genomic strategies, dairy industry evolution

Strategic Breeding Choices: The Evolving Role of Beef Semen in Dairy Herds 

In today’s evolving dairy industry, the decision to use dairy or beef semen is more consequential than ever. Several key factors, notably the stage of lactation and the number of inseminations, influence the decision. As cows progress through multiple lactations, dairy farmers must adapt their breeding strategies. 

The statistics paint a clear picture of this trend. Since 2021, 85% of first-time calves have been inseminated with dairy semen, primarily due to the drive to enhance the genetic quality of replacement heifers. However, as cows advance through subsequent lactations, the preference shifts. By the eighth parity or higher, 38% of breedings are conducted with beef semen. Similarly, as cows approach their seventh or higher inseminations, the inclination for beef semen rises, composing 55% of breedings. 

Moreover, beef semen is gaining significant momentum across various dairy breeds. Notably, in Canada, 39% of Ayrshire, 29% of Holstein, and 25% of Jersey cows were bred using beef semen in 2023. This inclination towards beef semen usage is not just a statistic; it reflects a transformative impact on herd dynamics, allowing farmers to manage low-producing cows more economically and enhance the value of non-replacement calves through beef crossbreeding. These statistics reveal that the shift towards beef semen reshapes dairy herd composition while bolstering profitability and adaptability in a competitive industry landscape.

The Dollars and Sense of Semen Selection: Navigating Economic Choices in Dairy Breeding

When examining the economic considerations between dairy and beef semen, it’s evident that the cost differences can significantly impact profitability. Dairy semen, especially with advances in genetic selection, commands a higher price, averaging around $45 for conventional and $64 for sexed semen in 2023. This increase since 2010 necessitates judicious use to optimize expenses and focus resources on top-performing animals. 

In contrast, beef semen offers a more cost-effective alternative, with conventional options costing an average of $22. This price difference presents an opportunity for strategic financial management. By utilizing beef semen on cows that are either repeat breeders or possess less superior genetics, farmers can effectively reduce breeding costs while simultaneously generating additional revenue by selling beef calves. 

Moreover, the use of beef semen aligns with market demands, as crossbred calves hold substantial value in the beef market. This strategic approach minimizes costs and capitalizes on an additional revenue stream, positioning dairy farmers to boost their profitability by catering to the growing demand for beef-on-dairy progeny. As the market for these crossbred calves continues to expand, the financial benefits of using beef semen as part of a comprehensive breeding strategy are expected to increase.

Choosing Winners: Aligning Beef Sire Selection with Genetics and Market Demands 

When it comes to selecting the right beef sire for your dairy herd, the importance of aligning your choice with both genetic evaluations and market demands cannot be overstated. Each beef breed offers its own set of strengths and attributes that may suit different aspects of your dairy herd’s needs and the end market for crossbred calves. In this competitive landscape, leveraging the power of Expected Progeny Differences (EPDs) and Genomic Enhanced EPDs (GE-EPDs) becomes a pivotal aspect of making well-informed sire selections. 

EPDs provide a quantitative metric for predicting how a sire’s future offspring will perform compared to other sires’ progeny. They encapsulate genetic potential in traits such as ribeye area or conception rate. These evaluations offer a comparative framework crucial for optimizing outcomes, especially in beef-on-dairy programs aiming to maximize terminal progeny’s performance and quality. 

When these EPDs are enhanced with genomic data, they transform into GE-EPDs, dramatically increasing accuracy. This genomic integration allows for more precise predictions regarding desired traits tailored to dairy and beef production parameters. The result? A finely tuned balance between maintaining dairy herd efficiency and meat production excellence, which ultimately aligns with market preferences and profitability targets. 

Therefore, the discerning dairy farmer and beef producer must consider the inherent characteristics of various beef breeds and dive deep into the genetic evaluations provided by EPDs and GE-EPDs. This dual approach ensures that the selected sires will produce offspring that meet specific market demands—for carcass quality, growth efficiency, or other economically significant traits. By doing so, you sustain and enhance profitability while meeting the evolving needs and expectations of the beef market.

The Cutting-Edge Evolution: Introducing the Game-Changing ‘Beef-on-Dairy Query’ Tool

The dairy industry is about to welcome an innovative technological leap with the upcoming ‘Beef-on-Dairy Query’tool, a collaborative development by Lactanet and Angus Genetics Inc (AGI). This tool is poised to be a game-changer in beef sire selection for dairy farmers, offering a nuanced approach to integrating beef genetics with dairy herds. By providing access to genetically evaluated data, the tool empowers farmers with enhanced decision-making capability. 

This cutting-edge tool will showcase selection indexes like the Angus-on-Holstein ($AxH) and Angus-on-Jersey ($AxJ), which predict profitability differences in progeny. These indexes highlight critical traits such as calving ease, growth, feed intake, and muscling, helping farmers align their breeding strategies with economic goals. Through these metrics, dairy farmers can gain insights into how different sires will influence the productivity and profitability of their herds. 

Moreover, the ‘Beef-on-Dairy Query’ tool details Canadian and American Angus bull traits, allowing farmers to confidently tailor their sire selection to meet specific herd requirements and market demands. With access to genomically enhanced Expected Progeny Differences (GE-EPDs), farmers can ensure the production of terminal progeny that aligns with their buyers’ preferences, optimizing both herd management and economic outcomes. 

As the tool is implemented, it will become an essential resource for farmers who aim to strategically navigate the complexities and opportunities presented by beef-on-dairy breeding. This tool promises to redefine efficiency and profitability in dairy herd management.

The Bottom Line

As we’ve explored, the strategic use of beef semen significantly transforms the dairy industry, offering a viable pathway to enhance genetic diversity and economic gains. The choice between sexed and beef semen is increasingly critical, with the data strongly supporting tailored breeding programs to maximize herd efficiency and profitability. From the rising usage statistics to the innovative selection tools being developed, it’s clear that the integration of beef genetics in dairy breeding isn’t just a trend—it’s the future. By carefully selecting suitable beef sires, dairy farmers can effectively convert earlier concerns into substantial profits, optimizing the quality of terminal progeny and the overall herd health. 

I invite you to delve deeper into these strategies and perhaps share your experiences or insights in the comments below. How have beef-on-dairy strategies worked for you? Let’s keep the conversation going—after all, staying informed means staying ahead. And remember, exciting tools like the “Beef-on-Dairy Query” are on the horizon, offering even more resources to refine and enhance your breeding decisions. Share this article with fellow farmers and industry professionals who might benefit from these insights, and stay tuned for more cutting-edge developments coming your way!


Download “The Ultimate Dairy Breeders Guide to Beef on Dairy Integration” Now!

Are you eager to discover the benefits of integrating beef genetics into your dairy herd? “The Ultimate Dairy Breeders Guide to Beef on Dairy Integration” is your key to enhancing productivity and profitability. This guide is explicitly designed for progressive dairy breeders, from choosing the best beef breeds for dairy integration to advanced genetic selection tips. Get practical management practices to elevate your breeding program. Understand the use of proven beef sires, from selection to offspring performance. Gain actionable insights through expert advice and real-world case studies. Learn about marketing, financial planning, and market assessment to maximize profitability. Dive into the world of beef-on-dairy integration. Leverage the latest genetic tools and technologies to enhance your livestock quality. By the end of this guide, you’ll make informed decisions, boost farm efficiency, and effectively diversify your business. Embark on this journey with us and unlock the full potential of your dairy herd with beef-on-dairy integration. Get Started!

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Unlock the Secret to Doubling Your Dairy Herd’s Rate of Genetic Gain: The Power of Cloning Revealed!

Wednesday, July 31st, 2024

Unlock the secret to doubling your dairy herd’s rate of genetic gain. Understand the science, benefits, and real-world applications to boost your farm’s success.

Summary: Cloning could revolutionize your dairy operation by enhancing your herd’s genetic quality. Learn how China’s ‘Super Cows’ and high-genomic outliers can significantly improve milk yields, assess costs versus benefits, and debunk common myths. Explore the future possibilities with gene editing and AI to navigate the complex but rewarding landscape of cloning in dairy farming.  Cloning creates a genetic twin of an existing animal, enhancing milk output and herd health. It has evolved since 1996, following the birth of Dolly the sheep. It offers several herd advantages, like increased milk output and reduced veterinary costs. For example, China’s ‘super cows’ produce up to 18 tons of milk annually, 1.7 times the average American cow in 2021, and also improves genetic uniformity, making herd managementmore efficient. Stay updated on advancements and consider incorporating cloning into your dairy strategy.

  • Cloning allows the creation of genetic duplicates, enhancing milk output and herd health.
  • Since Dolly the sheep’s birth in 1996, cloning has evolved significantly.
  • China’s “super cows” exemplify cloning benefits, producing up to 18 tons of milk annually.
  • Cloning improves genetic uniformity, facilitating better herd management and operational efficiency.
  • Advancements in cloning technology suggest potentially significant impacts on dairy farming practices.

Did you know that with the appropriate genetic improvements, the output of your dairy herd may be doubled? Consider cloning your top milk-producing cows and developing a complete herd at optimal performance. This is not science fiction; it is the leading edge of dairy farming technology. Cloning, a technique often misunderstood and shrouded in myth, involves making a genetic clone of an existing animal. This invention can potentially significantly increase your dairy herds’ production and profitability. Replicating high-performing cows may increase milk output, herd health, and future genetic quality. Cloning allows for copying the specific genetic variations that result in the most productive and hardy cows, ensuring a consistent and predictable performance across the herd. The potential advantages are immense. Cloning has the potential to address several difficulties faced by dairy producers, including increased milk output and disease resistance.

Unleashing the Future: How Cloning Could Revolutionize Your Dairy Herd 

Let’s go to the essence of cloning and break it down plainly. Cloning is essentially the process of creating a genetic clone of an organism. Consider producing a photocopy of your most excellent cow to make another one that looks just like her.

The science behind cloning primarily revolves around a process known as somatic cell nuclear transfer (SCNT). Here’s a quick rundown on how it works: 

  • A donor cell is taken from the cow you want to clone. This is usually a somatic cell, meaning any cell from the body that isn’t a sperm or egg.
  • The nucleus containing all the genetic material is removed from this donor cell.
  • Next, an egg cell is taken from a donor cow, and its nucleus is removed, creating an empty egg cell.
  • The nucleus from the original cow’s somatic cell is then inserted into this empty egg cell.
  • This reprogrammed egg is given a small jolt of electricity to kickstart the division process, just like a fertilized egg would naturally do.
  • The egg develops into an embryo, implanted into a surrogate cow carrying it to term.

Cloning has advanced significantly throughout the years. It initially made news in 1996 with the birth of Dolly the sheep, the first animal cloned from an adult somatic cell. Since then, the technique has been refined and used in agriculture, primarily focusing on recreating better-characterized animals. For example, in early 2023, Chinese scientists successfully cloned three “super cows” capable of producing an enormous quantity of milk each year, representing a tremendous advancement in agricultural cloning.

Supercharge Your Milk Yield with Cloning: How Chinese Super Cows are Setting New Benchmarks 

One of the most essential advantages of cloning for dairy herds is the possibility of significantly improved milk output. For example, China’s freshly cloned super cows from the Holstein Friesian breed provide excellent results. The cloned “super cows” can produce up to 18 tons of milk each year, approximately 1.7 times the amount produced by the typical American cow in 2021. Dairy producers may increase profitability and efficiency by duplicating top-producing animals and maintaining consistently high milk yields in their herds.

Cloning also provides considerable benefits in terms of herd health. Farmers may breed less sensitive animals to common illnesses and disorders by choosing cows with firm health profiles for cloning. This lowers veterinary expenditures and antibiotic use, becoming more significant in sustainable agricultural operations. Healthy cows need fewer medical interventions, are more productive, and live longer lives.

Furthermore, cloning allows for increased genetic uniformity in the herd. Traditional breeding practices might result in random genetic variants that do not necessarily coincide with a farmer’s milk production and health objectives. In contrast, cloning guarantees that desirable features from better animals are constantly handed along. Uniformity improves herd management, resulting in more efficient agricultural operations. According to an FDA analysis, cloned cattle may assist in speeding genetic progress and spreading superior traits in a more regulated and effective way.

In summary, cloning has multiple benefits for dairy producers, including higher milk output, improved herd health, and unparalleled genetic uniformity. Farmers may use cloning technology to make their dairy operations more productive, sustainable, and lucrative.

Unlocking Genetic Gold: How Cloning High-Genomic Outliers Can Supercharge Your Herd 

Leveraging cutting-edge technology for herd improvement isn’t new in the dairy sector. Cloning your best-performing animals could significantly enhance your herd’s success in several key ways:  

  • High-genomic outliers – If you have an animal in the top 1% to 5% of the breed for a particular feature, a genetic twin may be an excellent addition to your breeding strategy to increase exceptional embryo and child production from females utilizing different sire options. In the case of males, semen output may be doubled by the genotype with the highest genomic assessment and the most significant demand and value.
  • Homozygous polled outliers or unique animals – When an animal is uncommon or exceptional, a genetic twin may be an excellent way to enhance the population of that genotype.
  • Deceased animals – You may extract tissue from a killed animal up to 24 hours after the death event, as long as the animal does not freeze or get too hot. When the animal is a young calf that has not yet contributed to the herd or breed, you may get a “do-over” with a genetic twin rather than losing those genetics for good.
  • High-genomic animals that acquire a disease or injury – Anything acquired after birth, such as sickness, damage, or castration, maybe “undone” by creating a genetic twin, resulting in a “do-over.”
  • Genetic insurance—Genetic insurance may take the form of genetic preservation (GP) or express tissue banking (ETB). Even if you are unclear whether you want to proceed with the manufacture of cloned animals immediately, you can affordably preserve the tissue (ETB) or generate a cell line (GP) from all of your priceless high-genomic animals.

Cloning Costs vs. Long-Term Gains: The Financial Evidence Speaks for Itself

When analyzing the statistics, the initial expenditure on cloning may give some farmers pause. Depending on the intricacy and procedures employed, creating a cloned cow may cost between $15,000 and $20,000 (Genetic Literacy Project). However, when considering the long-term advantages, the initial price shock makes sense.

Research published in the Journal of Dairy Science discovered that cloned cows may produce up to 30% more milk than non-cloned cows (Journal of Dairy Science). Consider the average situation for a high-performing dairy cow that produces 22,000 pounds of milk annually. A 30% increase might result in an extra 6,600 pounds of milk yearly. If the market price for milk is roughly $18 per hundredweight (cwt), you might expect an additional $1,188 per cow per year.

Furthermore, the genetic modifications associated with cloning result in cows with optimum features. This alone may result in fewer veterinary expenditures, increased fertility, and longer productive lifespans. The National Association of Animal Breeders (NAAB) reports that artificial insemination costs around $50 per service. In contrast, the benefits of cloned, genetically better stock might propel yield and health indices to new heights, resulting in even more significant cost savings.

So, when the numbers are added together, and the advantages are presented, the argument for cloning isn’t simply a question of future thinking—it’s good business for today’s dairy farmers.

Cloning Controversies: Debunking Myths

It’s understandable to have worries about something as radical as cloning. However, to make educated judgments, myths must be separated from facts. One of the most prevalent worries is about the ethical consequences of cloning. Critics often contend that cloning is akin to ‘playing God’ or an unnatural interference with life. It’s important to note that agricultural cloning, like conventional selective breeding, strives to enhance desired features more accurately.

Potential hazards, such as health difficulties in cloned animals, are also hotly debated. Early cloning improvements encountered drawbacks, including greater frequencies of defects and shorter animal lifespans. However, as cloning technology has advanced, these difficulties have been considerably reduced. Data acquired by experts from the Chinese cloning experiment show a 75% success rate in creating healthy cloned calves, significantly increasing over previous efforts.

Dr. Steven Stice, a prominent specialist in animal cloning, responds to these prevalent worries, stating that “modern cloning is a refined science, leveraging advanced techniques to ensure the wellbeing of cloned animals while maximizing their productivity.” Thus, although cloning seems to pose several problems, expert opinion and empirical data overwhelmingly support its potential to transform dairy production.

What’s Next for Cloning on Dairy Farms? Gene Editing and AI Could Change the Game! 

So, what does the future hold for cloning technology and its uses on dairy farms? Advances in genetic technology, particularly the introduction of gene editing techniques like as CRISPR, have the potential to significantly revolutionize the dairy farming scene. According to a new research published in Nature Biotechnology, gene editing has the potential to improve genetic features in cloned animals, making them more disease-resistant, generating larger milk outputs, and even reacting better to environmental challenges (Nature Biotechnology, 2020).

Consider a herd in which each cow is not just genetically better, but also tailored to meet the unique demands of your farm. Current research pushes the limits by combining cloning and gene editing to eradicate inherited disorders and enhance vital qualities like milk supply and quality. These technological developments might lessen the need for antibiotics and other treatments, resulting in healthier cows and cheaper operating expenses.

Furthermore, combining artificial intelligence (AI) with genomics is in the horizon. AI computers might examine massive volumes of genetic data to forecast which gene modifications will result in the most advantageous features, therefore speeding the cloning process. This might result in better-performing herds with longer lifespans, helping to ensure farm sustainability.

The future of cloning in dairy farming is not just bright, but revolutionary. As continuing research continues to break new ground, the combination of gene editing and AI promises to produce healthier, more productive herds that are more adapted to the demands of contemporary dairy production. Keep a watch on developments; the next major breakthrough might come shortly.

The Bottom Line

Exploring the possibilities of cloning for your dairy herd reveals that this cutting-edge technology can change production and genetic resilience. Cloning may offer consistency and improved performance to your herd, comparable to the successes of the Chinese Super Cows. Cloning provides long-term benefits and consistency, critical for enhancing dairy operations. Stay current on technical advances, weigh the advantages, and consider incorporating cloning into your approach. As this technology advances, consider: Can you dismiss cloning’s potential? Continue studying, being informed, and taking actual measures. Your herd’s future is dependent on the actions you make now.

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Monthly Genetic Evaluations to Boost Top-Rated Canadian Dairy Cow Rankings in 2025

Friday, July 12th, 2024

Uncover the potential of Lactanet’s 2025 monthly genetic evaluations to elevate your Canadian dairy cows to premier status. Are your herds positioned to gain from this groundbreaking update? Learn more today.

A pillar of the dairy sector, genetic assessments are essential for herd management, breeding choices, and production. These tests concentrate on important factors like milk output, health, and fertility, thus empowering breeders and farmers to propel operational effectiveness and genetic advancement. Early 2025 will see Lactanet, Canada’s national dairy statistics and genetic improvement agency, moving to monthly official assessments for Canadian cows. This shift is significant for herds where milk samples are gathered unsupervised by the herd owner as it might improve more dairy cows to a top-rated level in genetic rankings. The change fits business trends toward automation, improved data-collecting techniques, and expands the genetic basis accessible to breeders.

Driving Genetic Progress: How Lactanet Canada Shapes the Future of Dairy Herds 

Crucially, lactate is the pillar of genetic development in Canada. The company provides complete dairy herd management solutions comprising milk records, genetic assessments, and advising services to boost dairy output and genetic enhancement.

Using solid data collecting and thorough analysis, Lactanet stimulates developments that support the national dairy industry’s sustainability and output. Three times a year, in April, August, and December, genetic assessments and bull proofs guarantee great precision and dependability. These tests provide essential benchmarks, including production characteristics, Lifetime Production Index (LPI), and Pro$, thus helping breeders choose the most genetically outstanding animals.

The way Lactanet combined genomic data emphasizes its dedication to genetic improvement. Lactanet accurately assesses the genetic potential of dairy cattle by using sophisticated genotyping, enabling breeders to make educated choices promoting long-term genetic improvement.

Lactanet guarantees the genetic quality of Canadian dairy cattle by matching modern genetic research with pragmatic on-farm data collecting, therefore advancing the sector.

Unveiling Hidden Potentials: Addressing the Genetic Evaluation Gaps in Owner-Sampled Herds

Even with improvements in genetic assessments, the existing method offers challenges—especially for owner-sampled herds. These cows are deprived of gaining places on top-ranking lists like the Lifetime Production Index or Pro$ depending on Parent Average (PA) values instead of exact genetic parameters from supervised testing. These cows typically stay underestimated in formal genetic evaluations without controlled testing data.

The triannual updates postpone the distribution of vital genetic information and further limit the acknowledgment of gene progress within owner-sampled herds. This lag narrows the breeding base, affecting individual breeders and limiting general genetic progress.

The introduction of automated milking systems with built-in sample features emphasizes the increasing discrepancy between contemporary herd management techniques and conventional genetic assessment approaches. In the present configuration, these systems generate large amounts of data that only partially support genetic assessments, developing a discrepancy between actual and evaluated genetic value.

To solve these problems and guarantee that every cow has fair access to top-ranking lists independent of milk testing control, the suggested change to monthly official assessments aims to This modification seeks to drive more successful breeding strategies by offering a more comprehensive and accurate picture of genetic quality in Canadian dairy herds.

Proposed Monthly Genetic Evaluations: A Game Changer for Owner-Sampled Dairy Herds 

The suggested adjustments will greatly help owner-sampled herds, including switching to a monthly genetic evaluation scheme. The first Tuesday of every month will be used to update genetic assessments for cows with fresh test results, including unsupervised samples. Official updates for proven sires will come three times a year; owner-sampled herds will frequently have their Parent Average (PA) values updated. This shift increases the genetic pool accessible to breeders by allowing these herds to have maybe cows included in top-ranking genetic lists.

Through monthly updates, Lactanet recognizes the growth in automated milking systems, which gather production data and conduct thorough sampling. This renders either supervised or unsupervised categorization less critical. The obtained data still shows excellent accuracy. Hence, genomics guarantees solid genetic assessments. This change toward regular and comprehensive updates seeks to optimize genetic advancement and enhance the genetic health of dairy cows throughout Canada.

Lactanet’s genetic assessment procedure revolves mainly around integrating genomics, the fundamental component of all genetic ranking systems used in Canada. The company uses a diverse strategy to guarantee the quality and completeness of the published genetic data. Newly collected data from bulls and females undergoing controlled testing is continuously included in the current dataset, updating the “unofficial” genetic assessments. Participating artificial insemination (AI) businesses and farmers using modern herd management systems like Compass and DairyComp may obtain these unofficial assessments. 

Implications for Breeders: Expanding the Genetic Horizon with Monthly Evaluations 

This change has significant ramifications for breeders. Monthly certified genetic evaluations will increase the genetic data accessible to breeders, enabling assessments based on actual performance rather than Parent Average values. This will increase the genetic pool from which sires and dams could be chosen. Frequent updates will ensure breeders receive the most recent genetic information, guiding their breeding choices. This precision will enable the identification of previously missed outstanding cows. More cows will land top-rated in genetic rankings.

Including information from automated milking systems and other cutting-edge technology will also help to guarantee ratings reflect actual performance. This will enable breeders to propel genetic advancement efficiently, improving dairy herd sustainability, health, and production throughout Canada.

Precision and Reliability: Lactanet’s Multifaceted Genetic Evaluation Process 

Using a thorough internal procedure, Lactanet guarantees accuracy and dependability in genetic assessments. This generates unofficial and formal genetic evaluations by combining data from known sires with supervised testing females. Shared via Compass and DairyComp, unofficial assessments provide vital information for temporary herd sire decisions.

Underlying all genetic rankings, Lactanet’s work is based on the integration of genomes. Genomic testing lowers the uncertainty related to conventional techniques by improving assessments’ accuracy and prediction ability.

Considered equally accurate are both controlled and unsupervised milk sample data. The emergence of automated technologies has improved sample integrity and milk production monitoring. Lactanet’s data analytics technologies tightly evaluate these inputs and match them with genetic data to provide high-precision assessments.

Combining conventional data collection, cutting-edge genomics, and strict validation techniques, Lactanet’s genetic assessment system is a diverse strategy that improves assessment accuracy. It increases the genetic basis accessible to breeders, promoting the ongoing development of Canadian dairy herds.

Technological Advancements: The Role of Automated Milking Systems in Modern Dairy Farming

Using automated milking systems signifies a significant change in dairy production, improving output and efficiency. These sophisticated technologies have reduced the need for supervised milk testing by including exact sampling and production monitoring features. Automated milking guarantees reliable data collecting necessary for genetic studies and fits with Lactanet’s shift to unsupervised testing, simplifying the procedure. This change enables significant genetic advancement and improves the quality of Canadian dairy herds by allowing cows to be included more broadly in genetic rankings.

Genomics and Unsupervised Testing: A New Era of Equitable Genetic Evaluations

Brian Van Doormaal highlighted the significance of these changes, noting, “For genetic evaluation, top lists usually involve genotyped females, so there’s little need to distinguish between supervised and unsupervised testing. The data accuracy is equivalent, and genomics ensures high genetic information accuracy.”

Mapping the Road Ahead: Key Milestones for Implementing Lactanet’s New Genetic Evaluation System 

As Lactanet gears up for its new monthly evaluation system, several pivotal milestones guide its implementation: 

  • Early 2024: Finalize criteria for cow eligibility through stakeholder consultations and in-depth analysis.
  • Mid to Late 2024: Conduct pilot runs and gather feedback to refine the evaluation process.
  • January 2025: Begin initial rollout, integrating the new system with existing triannual updates.
  • May 2025: Achieve full implementation, ensuring monthly updates for all owner-sampled herds.

This carefully structured timeline guarantees thorough preparation and testing, allowing Lactanet to maintain its commitment to accuracy and reliability.

The Bottom Line

Changing from Lactanet to monthly genetic tests might revolutionize the Canadian dairy sector. It levels the playing field for owner-sampled herds so they may reach high genetic rankings alongside monitored herds, hence increasing the genetic pool available for breeders. This action also fits the growing usage of automated milking systems, which combine cutting-edge dairy farming technology. Dairy cow rankings will become more dynamic and accurate, defining new national genetic advancement and herd development criteria.

Key Takeaways:

  • Monthly official evaluations will provide more timely and comprehensive genetic data for Canadian cows.
  • Owner-sampled herds, previously limited to Parent Average values, will now have their genetic evaluations updated monthly.
  • This change is expected to expand the genetic base available to breeders, allowing more cows to achieve top rankings.
  • Proven sires’ evaluations will continue to be updated three times annually, maintaining the reliability of genetic data.
  • The transition aligns with the rising trend of automated milking systems, which offer unsupervised sampling and monitoring capabilities.
  • Genomics remain fundamental to genetic rankings, ensuring accuracy across both supervised and unsupervised testing environments.
  • Lactanet is yet to finalize criteria for eligibility, with implementation set for early or mid-2025.

Summary: 

Lactanet Canada, Canada’s national dairy statistics and genetic improvement agency, is set to transition to monthly official assessments for Canadian cows in early 2025. This change is particularly significant for herds where milk samples are collected unsupervised by the herd owner, as it could improve more dairy cows to a top-rated level in genetic rankings. Lactanet provides complete dairy herd management solutions, including milk records, genetic assessments, and advisory services to boost dairy output and genetic enhancement. The proposed change aims to drive more successful breeding strategies by offering a more comprehensive and accurate picture of genetic quality in Canadian dairy herds. The company’s genetic assessment procedure focuses on integrating genomics, the fundamental component of all genetic ranking systems used in Canada. Monthly certified genetic evaluations will increase the genetic data accessible to breeders, enabling assessments based on actual performance rather than Parent Average values. Frequent updates will ensure breeders receive the most recent genetic information, guiding their breeding choices.

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August 2024 Genetic Evaluations: Key Updates and Innovations from CDCB and USDA AGIL

Friday, July 12th, 2024

Discover the latest updates in genetic evaluations from CDCB and USDA AGIL. How will the new 305-AA yield measurement and Constructed IDs impact your herd?

CDCB and USDA Animal Genomics and Improvement Laboratory (AGIL) implemented essential changes to improve genetic assessment accuracy on August 13, 2024. This paper underlines these critical developments and their advantages for the dairy sector. Supported by USDA AGIL’s innovative genomics research, CDCB is well-known for its exact genetic assessments. Among other improvements, the adoption of Constructed IDs and 305-AA standardized yield measurement highlights their dedication to precision and innovation, increasing the dairy industry’s output and sustainability.

CDCB and USDA AGIL Introduce the New Standardized Yield Measurement Known as 305-AA 

In a step meant to transform dairy genetics, the USDA AGIL and CDCB have unveiled the new standardized yield measurement known as 305-AA. This much-awaited change departs significantly from the mature equivalent (ME) standard, effective since 1935. Standardized yield records now benchmark the average age of 36 months or 305-AA. Inspired by current studies, this adjustment marks a methodological turn to reflect a more contemporary dairy environment.

The new 305-AA yield assessment replaces changes relied upon over the last 30 years and incorporates updated age, parity, and season parameters. The recalibrated changes seek to permit fair phenotypic comparisons among cows of various ages, sexes, and calving seasons. The main objective is to evaluate dairy performance under many settings and management strategies.

One significant modification is adjusting herd averages to approach real yields. Under the former ME method, breed-specific yield projections varied by around 10 percent higher than actual yields. Effective June 12, 2024, the estimates of the 305-AA yield become available via CDCB’s WebConnect for animal and data searches. Moreover, the officially adopted, on August 13, 2024, new 305-AA changes are entirely included in the CDCB genetic examinations.

Table 1. The ratio of mature equivalent to 36-month equivalent milk, fat, and protein yields from 1994 or recent data

Breed1994 FactorME / 36-month SD ratio in recent data
  MilkFatProtein
Ayrshire1.101.0921.0761.067
Brown Swiss1.151.1561.1501.142
Guernsey1.051.0431.0091.013
Holstein1.101.0821.0811.059
Jersey1.101.0791.0631.064
Milking Shorthorn1.151.1101.1001.090

This move from 305-ME to 305-AA offers a perceptive analogy. Recent data shows that standardized yields calculated from the 1994 ME factors are routinely more significant than those adjusted to the 36-month equivalent. This change marks a reassessment of yield projections to more closely reflect the contemporary dairy environment and current dairy animal performance.

A vital component of this shift is the modification in standard deviation (SD) “ME / 36-month” ratios, usually seen to be somewhat greater in earlier data than in recent changes. These little variations indicate calibrating output estimations to fit modern dairy production methods and genetic developments.

For predicted transmitting abilities (PTAs), these changes have significant ramifications. Updated ratios closer to 1.08 for Holsteins (HO) and Jerseys (JE) and generally more tiny numbers for fat and protein point to a minor scaling or base adjustment in PTA values. These changes assist representative assessments of dairy cow genetics, improving the validity and applicability of these measures according to contemporary industry requirements. Thus, a sophisticated, data-driven approach to genetic studies helps the dairy industry by promoting informed breeding and management choices.

Enhancing Precision: Modern Dairy Environments and Refined Seasonal Adjustments

Recent data analysis has improved seasonal adjustments to reflect the effect on lactation yields of the changing dairy environment. Modern architecture and construction methods have lessened the seasonal impact on yields, hence stressing improvements in dairy settings. The revised approach reveals minor variations by estimating seasonal impacts within five separate climatic zones defined by average state climate scores. This change emphasizes the advantages of better dairy conditions, lessening the need for significant seasonal changes and more accurate genetic tests. This method guarantees lactation yields are assessed in a framework that fairly represents current environmental and management circumstances using region-specific modifications, enabling more precise and fair comparisons of dairy output.

Robust Validation: Testing New Factors Across Decades of Lactation Records

The new parameters were tested rigorously using 101.5 million milk, 100.5 million fat, and 81.2 million protein lactation data from 1960 to 2022. The validation focused on the relationships of Predicted Transmitting Ability (PTAs) for proven bulls born after 2000. Results were rather good, with correlations of 0.999 for Holsteins, above 0.99 for Jerseys and Guernseys, and somewhat lower, ranging from 0.981 to 0.984, for Brown Swiss and Milking Shorthorns. These strong connections underscore the dependability of the new elements. The study also observed minor changes in genetic trends: a decline for Brown Swiss and Jerseys and a rise for Guernseys. These revelations help us better evaluate our genes, guaranteeing justice and ongoing development.

Revolutionizing Genetics: The Full Integration of Constructed IDs into the CDCB Database 

When fully adopted by August 2024, Constructed IDs represent a significant turning point for CDCB. Targeting partial pedigrees, particularly for animals without maternal ancestry information, this invention launched in mid-2023 and ends in July 2024. Constructed IDs link approximately 3.2 million animals in the National Cooperator Database to newly discovered relatives, developed by significant research by USDA AGIL using over a decade of genetic technology experience.

This improvement increases the dependability and accuracy of genetic tests. The worldwide influence is significant given these complex interactions across the closely linked U.S. dairy community. More precise breeding choices help directly impacted and related animals to improve their genetic quality and raise U.S. assessments. Designed IDs strengthen the genetic bases for further development by filling critical pedigree gaps.

Refined Criteria and Data Integration: Elevating Heifer Livability Evaluations for Improved Genetic Precision 

Recent improvements in heifer liability (HLV) show how committed the USDA AGIL and CDCB are to accuracy and dependability in genetic assessments. Fundamental changes exclude recent heifer fatalities from 2022–24 and rectify previously missed data resulting from changes in cow termination codes. These wholly integrated reports improve HLV assessments immediately. Improving the speed and depth of evaluations is a crucial modification that calls for a minimum of 1 percent mortality loss annually for the data of a herd to be legitimate. Faster adaptability to evolving reporting methods made possible by this change from cumulative to yearly criteria guarantees current herd health dynamics are faithfully captured. These improvements have generally resulted in a significant increase in the dependability of HLV assessments, particularly for bulls with daughters in the most recent data sets, generating more robust genetic predictions for offspring and informed breeding choices.

Pioneering Genetic Insights: Brown Swiss Rear Teat Placement (RTP) Evaluation

A significant turning point in dairy cow breeding is the introduction of the conventional and genomic assessment for Brown Swiss Rear Teat Placement (RTP). Using about 15,000 assessments from January 2024, CDCB and USDA AGIL accurately calculated the RTP parameters. On the 50-point linear scale, about 80 percent of the evaluations lie between 25 and 35 points. Heritability for RTP is 0.21, somewhat similar to front teat placement at 0.22; repeatability is 0.33.

Ranges for Rear Teat Placement in Brown Swiss

 Predicted Transmitting Abilities (PTA)Reliabilities
Males-2.4 to 3.10 to 98%
Females-3.7 to 2.90 to 79%

For bulls with reliabilities between 0 and 98% and for women between 0 and 79%, the PTA values for RTP in Brown Swiss are -2.4 to 3.1 and -3.7 to 2.9, respectively. This assessment uses exact measures and rigorous statistical techniques and emphasizes genetic heterogeneity within the breed.

Breeding choices depend on this thorough assessment, which helps farmers choose ideal RTP characteristics, enhancing herd quality and production. Driven by reliable, data-based conclusions, the August 2024 release of these assessments marks a new chapter in Brown Swiss genetics.

Refined Precision: Streamlining Genetic Markers for Enhanced Genomic Predictions 

Effective August 2024, the genetic marker update improved the SNPs used in genomic predictions, lowering the list from 78,964 to 69,200. This exact choosing approach removed low call rates, poor genotyping quality, minor allele frequencies, and markers with minimal effects. The X chromosome’s length allowed all SNPs to be maintained there. This update improved efficiency by helping to reduce processing time and storage usage by 12%. About 74% of the deleted SNPs originated from high-density chips.

Five other gene tests—HH7 and Slick, among others—were also included in the update. Confirming the low effect on trait averages and standard deviations, preliminary studies revealed a roughly 99.6% correlation between genomic predictions from the old and new SNP lists. For animals with less dense genotypes or partial pedigrees, this recalibration improves the accuracy of genetic assessments.

Incorporating Genomic Advancements: Annual Breed Base Representation (BBR) Updates

Accurate genetic evaluations depend on annual Breed Base Representation (BBR) revisions. This update, set for August, guarantees that the most relevant genetic markers are included in BBR calculations. Consistent with past upgrades, a test run based on February 2024 data confirmed the stability and strength of the new SNP set. The CDCB maintains BBR calculations at the forefront of genetic assessment by including this improved SNP set, giving dairy farmers the most reliable data for informed breeding choices.

Integrating Cutting-Edge Gene Test Data: Enhancing Haplotype Calculations for Holstein HH6 and Jersey JNS

A significant step forward in genetic assessments is combining Holstein Haplotypes 6 (HH6) and Jersey Neuropathy with Splayed Forelimbs (JNS) direct gene test data into haplotype calculations. By providing thorough gene test results to CDCB, Neogen and the American Jersey Cattle Association (AJCA) have been instrumental in this process. More exact haplotype estimations have come from including these direct gene tests in imputation procedures. Test runs greatly increase performance, Particularly for animals with gene test results and their offspring. This integration improves genetic prediction accuracy and emphasizes the need for cooperation in enhancing dairy cow genes.

The Bottom Line

Incorporating innovative modifications to maximize yield metrics, genetic evaluations, and pedigree correctness, the August 2024 genetic assessments signal a turning point in dairy herd management. These advances improve the dependability and accuracy of tests. While improved seasonal and parity corrections reflect current conditions, the new 305-AA standardizes yield measures for fair comparisons. We designed IDs to decrease pedigree gaps, improving assessments and criteria for Heifer Livability (HLV) and rear teat placement for Brown Swiss. Simplified genetic markers and combined genomic advances such as HH6 and JNS gene testing further improve assessment accuracy. These developments provide consistent data for farmers, enhancing the general health and output of dairy cows. Supported by a thorough study, the August 2024 assessments mark a significant breakthrough and inspire manufacturers to use these innovative approaches for more sustainability and efficiency.

Key Takeaways:

  • The 305-AA standardized yield records, adjusted to 36 months, replace the previous mature equivalent (ME) adjustments.
  • Implemented new factors enable fairer phenotypic comparisons across cows of different ages, parities, and seasons.
  • Seasonal adjustments are now estimated within regional climate zones, reflecting improved management and housing reducing environmental impact on yields.
  • Implementation of Constructed IDs enhances pedigree completeness and genetic evaluation accuracy.
  • Heifer Livability (HLV) evaluations refined through revised modeling and data integrations, particularly focusing on recent years’ reports.
  • Brown Swiss Rear Teat Placement (RTP) evaluations introduced, offering significant genetic insights with traditional and genomic evaluations.
  • Reduction of SNPs from 78,964 to 69,200 for streamlined genomic predictions, enhancing processing time and accuracy.
  • Annual BBR updates incorporate the new set of SNP markers, ensuring consistency and precision in breed representation.
  • Direct gene tests for Holstein HH6 and Jersey JNS now included in haplotype calculations, improving prediction accuracy.

Summary: 

The CDCB and USDA Animal Genomics and Improvement Laboratory (AGIL) have introduced a new standardized yield measurement, 305-AA, on August 13, 2024. This change allows fair comparisons among cows of various ages, sexes, and calving seasons. The revised approach estimates seasonal impacts within five separate climatic zones. Robust validation of the new parameters was conducted using 101.5 million milk, 100.5 million fat, and 81.2 million protein lactation data from 1960 to 2022. Results showed good correlations for Holsteins, Jerseys, Guernseys, Brown Swiss, and Milking Shorthorns. The August 2024 genetic assessments represent a significant turning point in dairy herd management, enhancing the dependability and accuracy of genetic tests. Constructed IDs link approximately 3.2 million animals in the National Cooperator Database to newly discovered relatives, improving genetic quality and raising U.S. assessments.

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Ireland Achieves World’s Highest Sexed Semen Conception Rates

Tuesday, July 2nd, 2024

Find out how Ireland reached the highest sexed semen conception rates worldwide. Get insights from NCBC CEO Doreen Corridan on how to breed dairy cows for better performance.

According to National Cattle Breeding Centre (NCBC) CEO Doreen Corridan, Ireland has shockingly reached the highest sexed semen conception rates worldwide at 60%. She said this last Thursday at Portlaoise’s Irish Grain and Feed Association (IGFA) conference.

“The advantage of the high fertility that’s natural in our current dairy herd at the moment is that we’re getting the highest conception rates worldwide with sexed semen,” she said.

Emphasizing Ireland’s dairy herd’s natural fertility, Corridan ranked the country above others with bovine reproductive performance. She also covered the critical ramifications for cattle control and environmentally friendly dairy operations.

Aiming not just at assuring a lifetime of exceptional performance but also at optimizing dairy cow breeding, Corridan’s speech centered on the urgent need to maximize immediate production. This all-encompassing strategy, underlined at the Irish Grain and Feed Association (IGFA) conference in Portlaoise, is crucial to creating a sustainable dairy business that harmonizes economic viability with efficiency and animal health.

One main benefit of Ireland’s dairy herd’s great fertility is the increased efficiency and production it offers for dairy producers. Ireland establishes a worldwide standard with the most excellent conception rates utilizing sexed semen, therefore promoting sustainability and economic growth. This increase in fertility guarantees a continuous supply of heifer calves, thus supporting the excellent genetic quality of the herd.

These successes have global relevance. Ireland’s developments in genetic selection and reproductive technologies are a worldwide model. The global dairy sector sees Ireland’s targeted breeding initiatives as a road map for better, more efficient dairy cows, which supports environmental and economic goals.

When examining Corridan’s idea for the future sustainable cow, economics takes center stage. A productive cow emphasizes the wise use of resources and helps the farmer maintain economic stability. Equally important is carbon efficiency, which fits the increasing requirement to reach environmental goals and reduce the dairy sector’s carbon footprint.

Profitability and labor efficiency go hand in hand as a cow that needs less intervention and management results in reduced running expenses and more simplicity of farm operations. Long lifespan and health are natural; a healthy cow lowers the frequency and cost of replacements, promoting long-term sustainability.

Furthermore, it is impossible to overestimate the ability to generate valuable calves. Whether these calves support the meat sector or replace the dairy herd, their inherent worth remains excellent. Farmers match market needs and improve general herd output by producing fewer male dairy calves and more valuable heifer and beef calves.

Although this technique meets the market’s needs and general herd output, it is still essential to underline the double value of dairy and beef calves. Heifer calves are precious to dairy producers as replacements so that their herds may be kept growing and improved. These heifer calves constitute a significant investment in the future of the dairy business because of their possible high milk output and better genetic features. On the other hand, beef calves taken from the dairy herd must also satisfy quality criteria if they are meant to keep or raise their market worth. This dual-focus approach emphasizes the crucial part sexed semen technology plays in fulfilling the many demands of contemporary cow farming, hence improving both the immediate and long-term output of dairy and beef enterprises.

Corridan underlined the importance of sexed semen use in Ireland and the fact that over thirty of the replacement herds now result from its application. Driven by the dual benefits of increasing heifer calves from genetically better cows and lowering undesired male calf numbers, this adoption rate marks a radical change in herd management. Farmers improve the genetic quality of their replacement heifers and solve urgent problems related to animal welfare and the carbon economy by carefully using sexed semen. Thus, this approach leads the front stage in contemporary cow breeding as it fits more general sustainability and profitability objectives in the dairy industry.

For dairy herd owners, the advantages of sexed semen go well beyond essential herd growth. Sexed semen helps farmers significantly speed genetic improvement by providing a better chance of heifer calves from higher Economic Breeding Index (EBI) cows. This emphasis on genetic quality implies that cows with higher milk output and efficiency will occupy ever more of the future herd. Often presenting management and market value issues, this deliberate breeding method dramatically lowers the number of male calves.

Moreover, lowering male calves directly helps to meet higher animal welfare criteria and significantly improves farm carbon footprint. Reducing the percentage of less desirable male dairy calves can help farmers better control their cattle numbers, lessen the environmental impact, and match their activities with sustainable objectives. Thus, the use of sexed semen is a vital driver of economic and environmental improvements within the dairy sector, thereby demonstrating its essential function in contemporary, ethical herd management.

From over 30% to a paltry 3% of the calf population, this decrease represents a radical change in dairy production methods. The significant decline in male dairy calves increases the total value obtained from the herd and helps to solve the problems related to controlling extra males. Dairy producers may concentrate on raising high-value heifer calves and improving their production methods as fewer male calves allow them. This strategy change so encourages more sustainable and effective herd management, thereby matching economic incentives with environmental needs.

Corridan claims they achieved a historic first in Irish dairy farming last year when meat from the dairy herd exceeded dairy calves for the first time. This change highlights the rising tendency of dairy producers to include beef output in their activities. From 2013 to present, “Beef from the dairy herd has doubled and makes over 65% of all beef output. Angus and Hereford breeds account for 85% of this rise,” she said.

This trend shows a notable change in herd management techniques, where the dual use of dairy cows is being fully appreciated. Dairy producers may generate a more substantial percentage of beef calves by using sexed semen and high fertility rates. Therefore satisfying market needs while maintaining lucrative and efficient operations. This deliberate change thereby diversifies revenue sources and advances environmentally friendly agricultural methods.

Finally, figures show a fantastic increase in beef coming from dairy herds. Comprising nearly 65% of all the meat produced, the count of beef calves from dairy cows has risen since 2013. With 85% of the beef calves coming from Angus and Hereford breeds, particularly highlighting the strategic integration of dairy and beef output to satisfy changing market needs effectively,

Key Takeaways:

  • Ireland leads globally in bovine sexed semen conception rates, highlighting the high fertility of its current dairy herd.
  • A sustainable cow of the future must be profitable, carbon efficient, labor efficient, healthy, and capable of producing valuable calves.
  • Approximately 30% of the replacement herd in Ireland is now sourced using sexed semen, significantly reducing male dairy calves.
  • The number of beef calves from the dairy herd has doubled since 2013, surpassing the number of dairy calves from the dairy herd last year.
  • Angus and Hereford beef calves account for 85% of the calves from the dairy herd, emphasizing their growing significance in the market.

Summary:

Ireland has the highest sexed semen conception rates globally, thanks to its natural fertility and focus on bovine reproductive performance. National Cattle Breeding Centre CEO Doreen Corridan highlighted the importance of cattle control and environmentally friendly dairy operations at the Irish Grain and Feed Association (IGFA) conference. Ireland’s high fertility benefits dairy producers by increasing efficiency, promoting sustainability, and economic growth. This increase in fertility ensures a continuous supply of heifer calves, supporting the excellent genetic quality of the herd. Corridan’s idea for the future sustainable cow emphasizes economics, carbon efficiency, and long lifespan and health. Farmers can match market needs by producing fewer male dairy calves and more valuable heifer and beef calves. Over thirty replacement herds have been resulting from sexed semen use in Ireland, improving the genetic quality of replacement heifers and solving animal welfare and carbon economy problems. Corridan claims that meat from the dairy herd exceeded dairy calves for the first time in Irish dairy farming last year.

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