The tact deteriorate for autumn calving herds is good underway on suckler farms. For farmers regulating synthetic insemination (AI) sires as partial of their tact module – and regulating genetic evaluations to assist their founder preference – they might wish to take a demeanour during a updated ‘active bull’ list published this week by a Irish Cattle Breeding Federation (ICBF).
As partial of a Nov genetic analysis run that was published on Tuesday (November 24), a list was updated with any applicable changes in rankings being made.
It provides a ranking of now accessible AI sires on both a Terminal and Replacement Indices formed on a many new genetic evaluations.
For beef sires, a criteria includes any longhorn carrying a 50% trustworthiness or larger on both his Terminal or Replacement Index, depending on a list. They also contingency have a 50% or larger trustworthiness on their likely calving problem trait.
Having a current genomic member in his evaluation, along with siring during slightest one calf that has a calving consult recorded, is also required.
Terminal Index
A Belgian Blue founder has taken a tip ranking on a Terminal Index list. Kilconnelly Kodaline, who is accessible by a National Cattle Breeding Centre (NCBC), now has a Terminal figure of €203 with a 58% reliability. He has also been awarded a calving problem of 2.7% on matings with beef cows.
In second position is a Limousin sire, Gstaad, who is ranked during a €193 on a Terminal Index during a trustworthiness of 67%. This Eurogene founder has a calving problem commission of 5.1% on matings with beef cows.
Another Belgian Blue founder has taken a third fixation on a list, as Dovea Genetics sire Gigi Du Bois Remont ranks in during €187 on a Terminal Index with a trustworthiness of 90%. This longhorn also has a calving problem commission of 8.3% on matings with beef cows.
The tip 10 bulls on a list contain of: 4 Belgian Blue bulls; 3 Charolais bulls; dual Limousin bulls; and one Aubrac sire.
Replacement Index
Rankings on a Replacement Index ‘active bulls’ list sees Saler sires holding a tip 4 positions on a list.
Coming in initial place, by carrying an index value of €263 and trait trustworthiness of 86% is a Saler bull, Ulsan. This Dovea Genetics longhorn has been given utterly a low likely calving problem of 0.8% on matings with beef cows during a trustworthiness of 97%.
In second place is Knottown Roy who is also a Saler founder accessible by NCBC. This longhorn boasts a Replacement Index value of €246 during 58% reliability. Alongside this, he has also been awarded a calving problem figure of 1.4% on beef cow matings.
Saler longhorn Beguin came in third position, with a Replacement Index value of €243 and trustworthiness of 79%. A likely calving problem of 1.6% has been given to this NCBC founder on matings with beef cows, with a trustworthiness of 95%.
In a altogether tip 10 ranking, along with a tip 4 Saler sires, a list also consists of: dual Limousin sires; dual Aubrac sires; one Simmental; and one Belgian Blue.
Article source: https://www.agriland.ie/farming-news/icbf-publishes-updated-active-bull-lists/