Four bulls. Four gambles. The genetics that doubled milk production—and the hidden costs nobody saw coming.

In 1972, Ken Young blew past his spending limit to pay $60,000 for a red calf the entire industry called defective. "It was easier to ask for forgiveness than to ask for permission," he told his bosses. Fifty years later, that "defect" built the modern Red & White breed.

But that's just one story.

This episode takes you inside the decisions, the risks, and the consequences that shaped every Holstein alive today. You'll stand in the auction barn when the gavel falls. You'll feel the weight of the phone calls nobody wanted to make when Danish researchers traced a lethal gene back to the industry's most celebrated sire. You'll understand why one bull's genetics now flow through 15% of the entire breed—and what that concen ...