Longevity: What is the Basis behind Expected Lifetime Predictions?

Progressively, more and more breeders are paying attention to management traits. The reason is the impact they have on farm profitability. Chief among these traits is longevity: If an animal does well for all the other traits then it should add up to a long expected lifetime. Here we examine the sources of data and the evaluation methods used worldwide in coming up with these expected lifetime predictions.

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