Expected progeny differences have been applied to improve the genetics of beef cattle for almost four decades. The new Functional Longevity research expected progeny difference trait’s purpose evaluates how long Angus cows will stay in the herd and how many calves they will produce.
At its most basic, functional longevity looks at how long a sire’s daughters will stay in the herd and how many calves they will produce during their lifetime.”
Source: Angus Beef Bulletin Extra, November 22, 2023. Link.