bull proofs

All appears to have changed among Jersey sires in the December AHDB rankings, but this reflects a switch of focus to young bulls with genomic indexes, which are now widely used by UK farmers

OCD Trooper Sheepster holds firmly on to its lead in the daughter-proven Holstein sires ranking

The latest dairy bull proofs have been released by AHDB

With inseminations now in full swing in spring calving herds, and autumn calving some months away, breeding decisions for block-calving herds may be either made, or on the distant horizon

Transmission of high health and efficiency are hallmarks of a new wave of leading Jersey bulls in the breed £PLI rankings

A continued strong lead by the Holstein sire, Genosource Captain, plus two new graduates in the top 10 are features of the daughter-proven Profitable Lifetime Index (£PLI) ranking

Sons of Genosource Captain now dominate among young genomic Holstein bulls, securing the first four positions in the ranking for Profitable Lifetime Index (£PLI), published this week by AHDB