% BLACK Number in top blue arrow indicates sire’s own percentage black | A2A2 Sire possesses A2A2 gene for beta casein |
ABS PROVEN Sire is proven through the ABS progeny testing system | AUSTRALIAN PROVEN Sire has Australian milking daughters |
CALVING EASE Sire has superior calving ease based on actual observations | ![]() CENTRAL SIRES CO-OP Central Sires Bulls marketed and distributed through the relationship with ABS. |
DAUGHTER FERTILITY Sire whose daughters show improved fertility | DIAMOND SIRE Sire has at least 1000 milking daughters, which recognises outstanding second crop success and ensures genetic accuracy |
FEED EFFICIENCY Sire breeds more efficient, profitable cows for increased income over feed cost | GENOMIC VALUE Sire is yet to be proven; possesses desirable genomic values |
GOOD BULLS GUIDE Identifies bulls by independent, scientific assessment by DataGene using the world’s best practice in genetic evaluation | HIGH TYPE Sire has high type traits and will produce offspring of superior conformation |
ICON SIRE Sires in our Icon Sire™ program offer the very best genetics from our breeding program. Read more | ![]() KAPPA CASEIN BB Sire possesses BB gene for kappa casein which helps in the cheese making process. Cheese from the milk of BB cows clots 25% faster and is twice as firm as cheese from AA cows’ milk. |
![]() LINEAR CHOICE Linear Choice sires are stringently selected aimed at the commercial dairyman that is looking for balanced cows; each sire will produce a well-built, productive, and healthy dairy cow | NEW GRADUATE Sire is a new graduate |
![]() POLLED PP = True polled P – Polled | PREGNANCY KING Sire has high semen fertility based on actual observations and Real World Data (RWD). |
ROCK SOLID GENETICS Sire has at least 100 daughters in 60 herds, which provides stable type and production proofs over time. | ![]() SEXCEL® Elite sexed genetics |
![]() ST JACOBS CHOICE The fusion of our original Judge’s Choice and Breeder’s Choice programs now in just one – St. Jacobs Choice – delivering Type Without Compromise! |





