Episode
E560 Maughlin Storm Built the Modern Holstein Cow. He Also Hid a Killer in Her Pedigree.
- Podcast
- The Bullvine Daily Brief
- Published
- May 16, 2026
- Duration seconds
- 2746
- Processing state
not_requested- Canonical source
- https://rss.com/podcasts/the-bullvine/2831443
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Summary
Born August 1991 from a $4,400 heifer calf in Rockwood, Ontario, Storm became the most copied type sire of his generation — Class Extra at C.I.A.Q., father of Stormatic, Titanic and Talent, maternal grandsire of Braedale Goldwyn. Then in July 2015, in a hotel conference room in Orlando, a researcher from VIT Germany clicked to a slide that traced every confirmed case of HCD calf mortality back to one bull. Same bull. This is how a forty-year cow-family story collided with a 1.3 kilobase fragment of DNA — and what the breed has done about it since. Storm's blood is in your barn right now. Goldwyn, Buckeye and Dolman together held roughly 12% of all Holstein registrations in 2008, and every one of those lines runs through Maughlin Storm on the dam side. Every refined topline you can run a hand along, every well-attached fore udder, every cow that walks correctly into a sixth lactation — Storm earned a piece of that. So did his great-granddaughters Bonaccueil Maya Goldwyn and RF Goldwyn Hailey, the Supreme Champions who owned the colored shavings at Madison from 2012 through 2014. But this episode isn't just about a great bull. It's about the moment the breed's eyesight finally caught up to its ambition. For thirty years, Holstein breeders chased a phenotype — refined, angular, fast-milking — without knowing that part of what they were chasing was the sub-clinical signature of a single defective copy of APOB. That's not a failure of the breeders. It's a failure of the tools they had. What changed in 2015 wasn't the breed's character. It was the breed's eyesight. Genomic sequencing finally got sharp enough to see what classification cards never could. The story of Maughlin Storm is the story of how the breed learned that what you can see is never the whole picture — and ho…