Record numbers of young Jersey sires have been sampled within Canada in recent years. Eventually this kind of sampling activity yields fruit. And boy oh boy, did the fruits of young sire sampling ever become evident with the August 2009 proof run!!
There are four new faces on the top 20 list for Lifetime Profit Index (LPI) in our breed! Three are bulls proven first in Canada: On Time, Dice and Valedictorian, all from Semex. The other new sire is Iatola who received his first proof in Canada for ABS Global. This is 20% of the top 20 list!
A close review of the proofs on these four bulls defines their abilities to stimulate genetic advancement. Average proofs for the four are:
+632 milk (this is at the 64th percentile)
+54 milk (87th percentile)
+34 protein (75th percentile)
+.34% fat and +.16% protein
Lifetime Profit Index: +1514 (94th percentile!!!)
Conformation: +6 (80th percentile)
Mammary system: +8 (90th percentile)
Feet and legs: +5 (74th percentile)
Dairy Strength: +1 (52nd percentile)
Rump: +3 (64th percentile)
Somatic Cell Score: 2.81 (69th percentile)
These bulls are from an early crop in the surge in young sire sampling. In later years even more young sires were sampled. We now also have the introduction of the tool of genomic testing. This tool will allow us to focus on those young sires who'll have the best chance of being useful proven sires.
Think what kinds of new breed leaders we'd find with more young sires sampled! Sowing seeds reaps a harvest! For the Jersey breed to remain competitive new genetic resources need to be identified on a regular basis. We are now into a whole new era of both sampling expanded numbers of young sires and seeing many new sires revealed with first proofs during proof release days! That has to be good for Jersey progress! Bravo to all those selecting and sampling young Jersey sires! These results are your reward!!
There are four new faces on the top 20 list for Lifetime Profit Index (LPI) in our breed! Three are bulls proven first in Canada: On Time, Dice and Valedictorian, all from Semex. The other new sire is Iatola who received his first proof in Canada for ABS Global. This is 20% of the top 20 list!
A close review of the proofs on these four bulls defines their abilities to stimulate genetic advancement. Average proofs for the four are:
+632 milk (this is at the 64th percentile)
+54 milk (87th percentile)
+34 protein (75th percentile)
+.34% fat and +.16% protein
Lifetime Profit Index: +1514 (94th percentile!!!)
Conformation: +6 (80th percentile)
Mammary system: +8 (90th percentile)
Feet and legs: +5 (74th percentile)
Dairy Strength: +1 (52nd percentile)
Rump: +3 (64th percentile)
Somatic Cell Score: 2.81 (69th percentile)
These bulls are from an early crop in the surge in young sire sampling. In later years even more young sires were sampled. We now also have the introduction of the tool of genomic testing. This tool will allow us to focus on those young sires who'll have the best chance of being useful proven sires.
Think what kinds of new breed leaders we'd find with more young sires sampled! Sowing seeds reaps a harvest! For the Jersey breed to remain competitive new genetic resources need to be identified on a regular basis. We are now into a whole new era of both sampling expanded numbers of young sires and seeing many new sires revealed with first proofs during proof release days! That has to be good for Jersey progress! Bravo to all those selecting and sampling young Jersey sires! These results are your reward!!
1 comment:
Russell, are you sure that is Iatola's first proof for ABS ? :) Jerseyhurst
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