RANK YOUR COWS WITH A ROBOTIC PERFORMANCE INDEX

I was a dairy farmer before synch programs, sexed semen, and using beef semen to manage heifer inventory. In those days it was not unusual to run short of replacements and buy cows to maintain herd size. I bought replacements from the best herds in the area, but they were never the best cows in my herd. My cows were not better than anyone else’s, but they had generations of selection to be better adapted to my management than anyone else’s. That’s genetic improvement through culling.

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