Is DNA Testing Hittina Its Stride?

摘要

It's the age-old conundrum in the pursuit of animal science - sometimes the "animal" and the "science" aren't singing from the same page in the hymnal. That's why, when Mike Holden began DNA testing his bulls three years ago, it was as much an exercise in curiosity as it was an attempt to add another tool to his new seed-stock enterprise. He has more than 20 years of data on his commercial calf crops, beginning with individual birthweights and ending with carcasses in the cooler.