While it may not dominate headlines or industry top 100 lists, genetic diversity plays a critical role in protecting herd performance, minimizing risk and preserving future opportunities. In today’s dairy environment, genetic diversity is not optional. It is a herd’s insurance policy.

I recently had a conversation with a gentleman contemplating purchasing a bull who was concerned that the prospective bull may be a carrier for a genetic defect. This led to a conversation on simply inherited traits and how DNA testing plays a big role in selecting against genetic defects.

Occasionally, a calf is born with crooked legs, lax or contracted tendons. Many straighten on their own with time and exercise, while others require intervention. Some are so severe the calf must be euthanized.