Best cows are the ones that never appear on your radar

摘要

Don't get too fixated about type as the ultimate measure of traits that influence longevity and functionality. That is the message from Andrew Rutter, breeding programme manager for Genus ABS. "Producers are still selecting for type, but they should be looking at fitness or durability traits such as fertility and somatic cell count when selecting bulls if they want to breed cows with increased longevity," he says. "The tools are there, but not all producers are using them.