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Steve Calabrese and "Rosie"
Steve Calabrese and "Rosie"

Heard Up North: Artificial insemination on the farm

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If you're in the market for bull DNA, this Heard Up North is for you. Artificial inseminators criss-cross the North Country everyday, servicing dairy farms. In the back of the truck, they carry an injecting gun and a tank of liquid nitrogen that keeps bull semen chilled at negative 320 degrees. David Sommerstein caught up with one breeder while he was - literally - up to his elbow in a cow.

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Reported by

David Sommerstein
Reporter/ Producer

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