DairyTalk 727: High RZE, Hidden Functional Weaknesses? Why Conformation Scores Don't Tell the Whole Story - by Helmut Demmelhuber

DairyTalk by Helmut Demmelhuber · Oct 21, 2026 · 23m

This podcast episode is based on a technical article examining the limitations of Germany's RZE conformation index and the case for a more functional approach to Holstein breeding. While a high RZE generally indicates favorable conformation, it can still conceal serious weaknesses in individual traits and encourage selection toward greater stature or increasingly extreme udder characteristics. For productive longevity, hoof health, and robotic milking, however, the most valuable cow is not necessarily the one with the highest conformation scores, but the one whose physical traits fall within…