E615 Why Cow Family Beats a +3000 GTPI Calf: The $12,000 Embryo Math Every Breeder Should Run
About this episode
The episode discusses the superiority of proven maternal lines over genomic indices in dairy cattle breeding.
Four millionaire sires from one cow. That's the Comestar Laurie Sheik record — and the reason a genomic number still can't outrank a proven maternal line. The Bullvine Podcast traces the maternal dynasties that built the modern Holstein breed and asks the question most breeders won't: does a legendary cow family still beat a genomic index? From Laurie Sheik's four millionaire sons to Glenridge Citation Roxy EX-97 and Regancrest-PR Barbie, the pattern holds — the best families keep compounding value long after the index that ranked their contemporaries is forgotten. What You'll Learn How one cow, Laurie Sheik, produced four millionaire sires — and why that's never been matched Why a proven maternal line still outperforms a single genomic score What Glenridge Citation Roxy EX-97 proves about longevity and lasting value How Regancrest-PR Barbie won inside the genomic system, not against it Where real, durable genetic value actually comes from in a breeding program Genomics promised to replace pedigree with a number. The dynasty cows say otherwise. Laurie Sheik's descendants reached 43 countries and over a million doses of semen — value that stacked across generations, not one flashy…
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