DairyTalk 361: Few Bloodlines, Big Impact: Structural Tensions in North American Breeding - by Helmut Demmelhuber

DairyTalk by Helmut Demmelhuber · Apr 4, 2026 · 23m

This podcast episode draws on an expert article examining the increasing genetic concentration in North American cattle breeding. It highlights how a small number of elite families now dominate the production of top-ranking sires, raising concerns about inbreeding and reduced biological diversity. The analysis explores how breeding organizations balance rapid genetic progress with the need to safeguard long-term herd resilience. Strategies such as introducing alternative bloodlines and international genetics are discussed, though their adoption is constrained by market preferences for top…