{"podcast":{"title":"The Bullvine Daily Brief","slug":"the-bullvine-7024491","podcast_index_feed_id":7024491,"rss_url":"https://media.rss.com/the-bullvine/feed.xml","website_url":"https://www.thebullvine.com/","image_url":"https://media.rss.com/the-bullvine/20240922_080924_c7bdb3080b2c19cb0dbbcb0597a7001c.png","author":"The Bullvine","episode_count":621,"summary":"Every article from TheBullvine.com — read aloud so you can keep up with dairy while you're milking, hauling, or driving fence. Daily dispatches on genetics, milk economics, herd management, policy, and the stories the trade press won't touch. No fluff, no PR, no filler — just our journalism in your ears. New articles go live in audio within hours of publication. Subscribe and the day's Bullvine comes with you.","last_synced_at":"2026-07-31T02:17:31.748946+00:00","page_url":"https://stenobird.com/podcast/the-bullvine-7024491"},"episode":{"title":"E593 99.84% of Holstein AI Bulls Trace to Just Two Fathers","slug":"e593-99-84-of-holstein-ai-bulls-trace-to-just-two-fathers","published_at":"2026-06-20T12:17:36+00:00","page_url":"https://stenobird.com/podcast/the-bullvine-7024491/e593-99-84-of-holstein-ai-bulls-trace-to-just-two-fathers","show_page_url":"https://stenobird.com/podcast/the-bullvine-7024491","url":"https://rss.com/podcasts/the-bullvine/2930240","audio_url":"https://content.rss.com/episodes/290511/2930240/the-bullvine/2026_06_20_12_16_49_35323dfc-b95f-4f1e-a6bc-3dc9d6e3e384.mp3","summary":"Chief and Elevation never met — yet between them, two 1960s bulls fathered nearly every Holstein alive in North America. One began as a $4,300 gamble on an Indiana auction floor. The other came from a slow-maturing \"B-team\" dam on a modest Virginia farm, bred on a cousin's hunch nobody expected to work. This is the story of how two animals built the modern dairy cow — and the hidden bill their descendants are still paying, from a recessive defect traced to one of them to a nearly ten percent inbreeding figure now landing in today's heifer pens. You've seen these names in a hundred pedigrees. Here's the story behind them. KEY MOMENTS: How a cow who sold for $4,300 in 1962 produced a son with 16,000 daughters and more than two million great-granddaughters The \"B-team\" mating that should never have worked — and produced the bull Holstein International would call the Bull of the Century Why a backup bull, sampled only because his brother died, came to account for 7% of every Holstein genome on the continent The moment USDA researchers realized thousands of calves were never being born — and traced the cause to one celebrated sire How a $2,500 calf named Hanoverhill Starbuck became a $25-million phenomenon across 45 countries Why the whole enormous family tree narrows back to a single bull born in the 1880s This isn't distant history — it's the genetics walking into your parlor tomorrow morning. Pawnee Farm Arlinda Chief and Round Oak Rag Apple Elevation didn't just shape their own generation; their blood runs through Walkway Chief Mark, S-W-D Valiant, To-Mar Blackstar, Hanoverhill Starbuck, and the deep maternal lines tracing back to Johanna Rag Apple Pabst. Look up almost any modern North American Holstein and you'll find one or both grandfathers standing in the pedigree.…","meta_description":"Chief and Elevation never met — yet between them, two 1960s bulls fathered nearly every Holstein alive in North America. One began as a $4,300 gamble on a…","key_points":[],"chapters":[],"topics":[],"duration_seconds":2336,"processing_state":"not_requested","actions":[{"name":"request_transcript","method":"POST","url":"https://stenobird.com/v1/public/podcasts/the-bullvine-7024491/episodes/e593-99-84-of-holstein-ai-bulls-trace-to-just-two-fathers/transcription-requests","description":"Idempotently request low-priority transcript generation for this episode."},{"name":"read_markdown","method":"GET","url":"https://stenobird.com/podcast/the-bullvine-7024491/e593-99-84-of-holstein-ai-bulls-trace-to-just-two-fathers.md","description":"Read the agent-friendly Markdown representation of this episode resource."}]}}