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Stackyard News Aug 2012

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Stackyard News Takes the Lead in August Proof Run

Once again has more top bulls in the August Holstein Bull Proof list than any other genetics supplier, with the company taking five of the top 10 places and topping key production and trait rankings.

Lorella von Guarini, a daughter of outstanding bull Guarini who improved his £PLI score by 20 points to 249.

Lorella von Guarini holds 30 of the top 100 places in the PLI list published today by Dairy Co. This is 11 more than the second placed supplier.

“To occupy half the top ten places and nearly a third of the top 100 spots is another great testament to the quality, variety and breadth of the bulls available from,” says managing director Nick Kirby.

“Throughout the rankings there are bulls available from that can improve the performance of every herd. A bull holds the highest milk score and another the best fat and protein rating, while others top the list for all-important Lifespan, and feet and leg traits.”

The most impressive improvement was by the Braedale Goldwyn son Guarini. His £PLI rose by 20 from April to August, giving the daughter-proven bull an excellent £PLI of 249 and putting him in second spot overall.

He combines an impressive milk score of +572kgs with some of the best health traits available. At -31, he has the second best Somatic Cell Count score available which is combined with a high Lifespan score of + 0.4 and + 2.4 daughter fertility. Guarini sits among the elite bulls when it comes to Type Merit scoring + 2.32 with very good leg and udder scores of 1.89 and 2.14 respectively.

Another big mover up the rankings is Logan, jumping from a PLI of £211 in April to £235 in August. His milk score of 903 makes him one of the most productive bulls in the entire proof and for producers looking for quality milk his +35kgs score for fat and +28kgs for protein means he is the highest scoring £PLI bull when judged on that key criteria.

One of three O-Bee Manfred Justice bulls from in the top ten is Awesome, improving his ranking with an eight point increase in PLI to £234. His Lifespan score of +0.7 is the highest of any black and white Holstein and that is backed up by an excellent daughter fertility score of +5.3.

Massey also confirmed his position as one of the UK’s leading bulls by more than doubling the number of daughters in his proof between April and August to 732. He moves up the list with a £PLI of 204 with significant improvements in Type (from +2.53 to +2.92), in feet and legs (from +1.74 to +2.67). His milk score is now +579kgs, with cell count at -26% and daughter fertility at +2.7.

Genomics comes of age

The importance of genomic breeding is also highlighted by the August proof with supplying more genomic bulls than any other company. These include Jigsaw, the highest ranking bull for milk with a massive score of +1103kgs.

Those looking for Lifespan should consider Abraham whose score of +0.7 equals the highest and means that has three of the top five bulls by Lifespan.

Other genomic stars include Shottle x Toystory son Bohdan whose +4.1 feet and legs score is joint highest and added to a +3.05 mammary score gives an overall Type Merit Score of +3.8. Meanwhile, Glenton and Ecoyne top’s genomic list with PLIs of £229 and £227 respectively and both showing improvements on type.

“This bull proof again demonstrates that by working with top breeders from across the world we are able to bring the world’s best bulls to the UK, allowing British dairy farmers to produce high volumes of milk from healthy and long-lived cows for an increasingly competitive world market,” says Mr Kirby.’s proof toppers

  • 30 bulls in top 100 – 11 more than anyone else
  • Logan – highest fat and protein £PLI ranking
  • Awesome and Abraham – highest Lifespan scores of +0.7. holds three out of five of the top Lifespan bulls
  • Leading supplier of genomic bulls
  • Bohdan – joint highest score for feet at +4.1. supplies three out of 10 of the top bulls for feet and legs.
  • Six out of ten bulls by daughter fertility from

Dairy farmers can order Massey semen by calling free on 0808 202 3230 or via the website

link Top SIx Named in 2012 NMR/RABDF Gold Cup
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link Holstein NI Launches Causeway Classic IV

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