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DairyTalk 368: Index compression at the RZG-top: Managing RealSyn and Rome concentration in Holstein pedigrees - by Helmut Demmelhuber
This episode draws on a technical analysis of the April 2026 German RZG evaluations, highlighting the unusually tight clustering among leading Holstein sires. While Connect retains the top position, the underlying pedigrees show increasing concentration around a limited number of bloodlines, particularly RealSyn and Rome. The source examines how this development elevates inbreeding risk and complicates long-term breeding decisions. Daughter-proven sires such as Picard and Pattern are positioned as stabilizing alternatives with greater reliability. The discussion emphasizes that breeders may…
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