With the increased genetic similarity coming from genomic selection and the accelerated rate of genetic advancement, the need to pay attention to outcross sires is important. Never before has it been so difficult to find outcross sires, even though there is a much larger global marketplace. As the world genetics market has grown, the variance in genetic offerings has actually decreased. In most countries genetic indexes are either getting more and more similar or breeders are starting to speak a more common language such as TPI or Net Merit.

As a follow up to our The Top 12 Holstein Genomic Young Sires to Use for Maximum Genetic Gain, we decided to look for outcross sires either proven or genomic test sires that would offer breeders the maximum genetic gain while providing needed diversity. The word outcross or what constitutes an outcross sire can be tricky depending on where you are located. For our purposes, we are calling an outcross sire something that comes off the GPS map, or the Goldwyn, Planet, and Shottle map, if you will. That means that they do not have any of these three great sires anywhere in the 1st or 2nd generation of their pedigree.

Please note that we did leave Man-O-Man and his sons in our list because we felt that in relation to the total population base he received limited use due to his limited semen supply. He was used fairly heavily for contract matings but has only 393 daughters in his production proof and 190 daughters in his type proof in the USA

Overall Performance Improvement

While there is no question Man-O-Man offers outstanding overall genetic gain in a relative outcross package, here are some other sires to consider when looking for overall performance improvement:

• LEOTHE DEXTERMAN (Man-O-Man x AltaBaxter)
  If you cannot get Man-O-Man, why not go for what is arguably his best son, LEOTHE DEXTERMAN? DEXTERMAN offers outstanding component improvement, though he should not be expected to significantly improve overall production. Not surprising considering his dam LEOTHE BAXTER DAPHNEE VG-86-2YR-CAN just squeezed out 10,799 kgs in a 365-day record. DEXTERMAN’s maternal line shows generation after generation of solid conformation with average production. Look for DEXTERMAN to offer solid durability and health traits with balanced conformation. DEXTERMAN will fit the bill when looking for extreme component improvement. Look for him to breed much as his maternal line strong conformation, outstanding components, but needs protected on overall production.
• MOUNTFIELD MSY MAURICE (Massey x Boliver)
  If you are looking for more of an outcross or have used lots of Man-O-Man try MOUNTFIELD MSY MAURICE. MAURICE and his Dorcy brother MOUNTFIELD SSI DCY MOGUL offer a great outcross option. MAURICE has high TPI, NM$ and Type scores making him a great option for overall performance. Though based on his genomic numbers you will need to protect him on dairy strength and a little on rumps.
• CO-OP BOSSIDE MASSEY (Mascol x Bret)
  If you are looking for a proven sire option, you cannot go wrong with CO-OP BOSSIDE MASSEY. The current #1 daughter proven sire in the US, MASSEY breeds long-lasting cows that work well in all environments. Watch for MASSEY to sire even better production numbers than his proof would indicate, as well as being a little dairier and stronger than expected, but he will need to be protected on Rumps.
• ZANI BOLTON MASCALESE (Bolton x O man)
  For those looking for a bloodline not as well known to North American breeders, try ZANI BOLTON MASCALESE. With a dam that has a MACE index of over +4000 MLPI, it can be new territory for many breeders to use a MACE sire that is so high. Concerns that his proof is all parent average and genomics are not unusual. However, when it comes to MASACLESE. his daughters are actually backing up what his family and genomics would indicate. His young sire proof estimates (65% Genomics and 35% Parent Average) would be +3019 MLPI and his MACE proof has him at+ 2972, telling you that, while his daughters are slightly lower, they are not far off. Look for MASCALESE to transmit outstanding balance and type though do be careful on his component percentages.

Production Improvement

For those of you that are more commercially focused or maybe those of you who have not focused enough on production and the milk check is showing it, here are our recommendations other than Man-O-Man for overall production, and genomic sires MAURICE & DEXTERMAN for components to use to gain the greatest production increase:

• DE-SU ALTAGOALMAN (Bolton x O man)
  ALTAGOALMAN is a proven sire from the high Genomic Index De-Su herd. With a PA MLPI of +1960 and DGV MLPI of +2710, ALTAGOALMAN’s official proof MLPI is +2887, indicating that his daughters are significantly outperforming PA expectations for both type and production traits. Though ALTAGOALMAN will sire outstanding production both his genomic proof and his daughter information would indicate that he needs to be protected on dairy strength.
• UFM-DUBS ALTAESQUIRE (O man x AltaSam)
  Another proven sires option is ALTAESQUIRE. ALTAESQUIRE’s 2nd crop daughters seem to be outperforming his first crop proof. Watch for ALTAESQUIRE to sire more production, components as well as better mammary systems than his current proof would indicate. Currently ALTAESQUIRE’s proof is held back significantly by his low parent average MLPI of +1763, that is 1171 points lower than his current official MLPI proof of +2934. With the addition of more daughters watch for his official CDN proof to have him among the top 2-3 LPI spots. While offering dairy strength and rump improvement ALTAESQUIRE needs to be used cautiously on mammary systems and feet and legs, but if you are looking to put a production punch in a good uddered and legged cow/heifer ALTAESQUIRE will do the trick.

Longevity Improvement

For those of you that are looking to breed cattle that last lactation after lactation or maybe you are having problems with your 2 year olds not coming back for a 2nd lactation we recommend the following outcross sires:

• RONELEE DORCY DELIGENT (Dorcy x Boliver)
  RONELEE DORCY DELIGENT just spells longevity (Dorcy x Boliver x Outside x Rudolph), he was bred to deliver long lasting daughters. With outstanding Herd Life/Productive Life, breed leading mammary systems scores and strong Feet and Legs scores, DELIGENT is a longevity specialist, though he does need to be somewhat protected for dairy strength. Look for DELIGENT to combine this longevity with strong production and type numbers.
• MOUNTFIELD SSI DCY MOGUL (Dorcy x Marsh)
  From the same family as MOUNTFIELD MSY MAURICE comes the Dorcy son MOGUL. Much like MAURICE, MOGUL combines high TPI, NM$ and Type scores as well as breed leading longevity scores. With a PL +7.1, +3.29 UDC. +3.13 FLC, +1.22BD and +1.62 Dairyness, MOGUL really is the complete longevity package. Combine that with over +1,000 lbs. of milk and plus components and MOGUL daughters will be producing for many years.
• COYNE-FARMS DORCY (Bolton x Bret)
  Well if you don’t want to use genomic young sires, you can always use the sire that is producing those sons, COYNE-FARMS DORCY. While DORCY’s actual daughter numbers are slightly below his Genomic and Parent averages (Read – The Effect Genomics has On the August 2012 New Release Daughter Proven Sires) he is proving to be an outstanding longevity improvement sire, both through his sons and daughters. Breeders interested in a Bolton son from an outcross pedigree, top-notch udders, very good feet & legs and functional traits may consider DORCY. Dairy Strength and Rump are only slightly above breed norms.
• BERTAIOLA MINCIO (Bolton x Boss Iron)
  For breeders looking to go a little further off the GPS map, there is BERTAIOLA MINCIO. This high fertility Bolton son combines high type with great production, which is resulting in outstanding results in his current daughter performance. Watch for MINICO to sire great udders and feet & legs though you may want to watch him on somatic cell score.

Health and Fertility Improvement

One area that is not getting enough attention by most breeders is health and fertility. While there is no question that every breeder knows that more pregnancies equals more profits many of the top ranking sires especially the GPS sires actually have negative values for health and fertility. The following are a couple of specialist sires that should help you change that:

• ALL-RIEHL PAXTON (O Man x Rudolph)
  While ALL-RIEHL PAXTON has a little older sire stack, he does possess the highest combined values for Somatic Cell Score, Udder Depth, Milking Speed, Daughter Fertility and Lactation Persistency. PAXTON daughters are shallow uddered with strong rear attachments and walk on strong feet and legs. While not big, or deep bodied they do possess good width of chest and nice slopey rumps. For those looking for show type and angularity, PAXTON is not the sire for you, but for those looking for easy to manage daughters that have long term profitability PAXTON will do the trick.
• S-S-I DOMAIN LITHIUM (Domain x Bolton)
  S-S-I DOMAIN LITHIUM has some of the highest DGV’s for health and fertility. Lithium is from one of the top genomic cows in the breed, GLEN-TOCTIN BOLT LUCILLE VG-87-DOM. Combining high herd life, low Somatic Cell counts and high daughter fertility with over 1600 lbs. of milk, 110 of fat and protein and 2.5 points on type makes Lithium a great choice when looking for improvement. It is interesting to note that his DGV’s for health and fertility are almost 8% higher than the next highest genomic young sire (BRANDT-VIEW ALTAOTIS) and 50% higher than his own official index, indicating that he really is the sire to use when wanting to address this area that has flown under the radar far too long.

Type Improvement

Finding a top type sire that has no Goldwyn in it’s pedigree is next to impossible (Read – 7 Sire to Use in Order to Breed the Next World Dairy Expo Champion). Finding ones with no Planet or Shottle as well was almost ridiculous. In addition to MOGUL and MINICO, you could also consider:

• SIEMERS TOYS HERO 9701 (Toystory x Durham)
  While HERO’s pedigree does not have some of the big time show cow’s like many of the other popular type sires in the breed today, he does have strong genomic test results for Conformation, and specifically udders. Look for HERO to sire extremely shallow udders that have strong ligaments though he could be protected a little on teat placement. While larger than average, HERO will not sire your big tall show winners with the deep ribs, instead he offers wide rumps that have slightly high pins and average chest width. He really is an udder specialist with average legs and dairy strength.
• TOC-FARM DUPLEX GLAUCO (Duplex x Allen)
  For those looking for a more well-known pedigree there is TOC-FARM DUPLEX GLAUCO. His dam, TOC-FARM ALLEN AMYLY EX-96-ITA, was All World Cow in 2008. She herself is from the great breeding cow, SUNNYLODGE SKYCHIEF AMY EX-95-2E-GBR 5*. Look for GLAUCO to sire tall deep-bodied cows with wide chests and strong udders. His big boxcar rumps will catch many breeders’ eyes, though you may want to protect him on rump angle a little.

 The Bullvine Bottom Line

Choosing the correct sire can be challenging enough. Finding a sire that also offers an outcross from the main GPS (Goldwyn, Planet, Shottle) sires can be almost impossible. That is why we compiled these 14 sires to bring to light some outcross pedigrees that many breeders may not have heard of. Hope this helps you find your way to your best outcross bull.

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