Economic Selection Indices: The Best Tool for Dairy Cattle Selection

Dairy cows being milked in a milking parlour at the Shenandoah Dairy Farm.  Milking, milk production.

An economic selection index combines multiple traits into a single value, facilitating the identification of the best animals. This new 3-page document discusses economic selection indices, their changes in the US, and a 2018 update. Written by Francisco Peñagaricano, and published by the UF/IFAS Department of Animal Sciences, March 2019.