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DairyTalk 435: Why an Elite German RZG Does Not Necessarily Lead to a Top US TPI - by Helmut Demmelhuber
This podcast episode is based on a technical analysis of the differences between German and US genetic evaluation systems and explains why international breeding rankings are often misunderstood. Using the heifer Diana as an example, the discussion highlights why an exceptional German RZG score does not automatically translate into an equally impressive US TPI result, as both systems prioritize fundamentally different breeding goals. German evaluations place stronger emphasis on economic efficiency, milk components, and functional cows suited for modern freestall systems, while the US system…
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