Lactanet just put Holstein heifer inbreeding at 9.99%, and on a 500-cow herd, that gap models out to $54,665 a year in lost milk alone — before fertility, embryo loss, or longevity drag.

For two decades the pitch has been "buy what you can't breed." Four families said no. The Bullvine Podcast walks through Larenwood (closed since 1956), Bokma's seven-robot Master Breeder operation, Brigeen Farms (working the same Maine ground since 1777), and Quebec's Saintour — and the barn math the open-catalog model quietly hands the average herd.

What You'll Learn

• Why 99% of active Holstein AI bulls still trace to two foundational sires born in the early 1960s
• How the Doekes and Makanjuola coefficients turn 1% of inbreeding into 80–108 lbs of lost milk
• Why closing the gates doesn't fix the problem — curating the bull lis ...