New blood in the bull proof rankings for spring and autumn block calvers

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

Editor, Farmers Guardian and Dairy Farmer

02 April 2024 鈥� 4 min read

However, as AHDB publish the new across-breed sire rankings based on Spring and Autumn Calving Index, (拢SCI and 拢ACI), this may be the proof run from which autumn calving producers will make their breeding...

AHDB reveals its latest bull proofs ranked on Profitable Lifetime Index

There is a new number one bull in the latest AHDB young sire evaluations 鈥� Genosource Jumpstart P 鈥� transmitting 56.8kg (+0.28%) fat and 35.9kg (+0.12%) protein, alongside a favourable Mastitis Index of -2, earning it a PLI of 拢919