From December, Kiwi dairy farmers will benefit from enhancements to the national animal genetic evaluation system when they select dairy bulls. The changes are part of the third stage of updates to NZAEL, the genetic evaluation system which helps farmers make better breeding decisions for their herds. As part of the change, a new functional survival breeding value (BV) trait will replace the existing residual survival and total longevity traits in the system. The functional survival trait will better account for a cow’s ability to survive in the herd across different stages of life. The fertility trait used […]