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DairyTalk 338: The Genetic Bottleneck in Holstein Breeding: When a Few Sires Dominate the Population - by Helmut Demmelhuber
This podcast episode is based on an industry article examining the emerging genetic bottlenecks in modern Holstein breeding. The analysis describes how the heavy concentration on a small number of elite sires, combined with genomic selection, has narrowed the genetic base of the population. As a result, both desirable traits and harmful mutations can spread globally at unprecedented speed. New conditions such as genetically linked muscle weakness illustrate the risks associated with highly focused performance selection. The article places these developments in context and stresses the…
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