DairyTalk 734: RZG or RZG-K? Why Functional Conformation Could Change Sire Rankings - by Helmut Demmelhuber

DairyTalk by Helmut Demmelhuber · Oct 25, 2026 · 24m

This podcast episode is based on an analysis by Helmut Demmelhuber exploring how Germany's RZG total merit index could be improved through a more functional approach to conformation. Using extensive bull and cow data, the articlequestions whether rewarding increasingly extreme physical traits is compatible with long-term health, hoof soundness, and productive longevity. Particular attention is given to the potential disadvantages of excessive stature and insufficient body condition. The proposed RZG-K incorporates a functionalconformation index and body condition score, reflecting a broader…