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DairyTalk 531: TPI or Net Merit? Choosing the Right U.S. Breeding Index for Profitability - by Helmut Demmelhuber
This podcast episode is based on a technical guide explaining the interpretation of U.S. dairy cattle genetic evaluations. At the center of the discussion is how tools such as PTA, TPI, and Net Merit (NM$) can be used to make breeding decisions that improve both herd performance and long-term profitability. The article explains the purpose of genetic base adjustments and the evaluation of key traits including milk production, fertility, udder health, and longevity. It also highlights that different breeding indexes are designed to support different management and economic objectives, making…
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