DairyTalk 599: From Show Type to Functional Efficiency: The Science of the 60-Inch Rule - by Helmut Demmelhuber

DairyTalk by Helmut Demmelhuber · Sep 10, 2026 · 20m

This podcast episode is based on a technical article examining the scientific and economic rationale behind the new 60-inch rule in Holstein breeding. At the center of the discussion is why limiting excessive stature has become a breeding priority and how genetics can be used to improve functional performance. The article explains that stature is a highly heritable trait, making it an effective target for selection, while emphasizing that the goal is not to penalize large cows, but to discourage excessive height without adequate strength and body capacity. It also explores how more balanced…