Modern timed AI protocols for beef cattle don't require estrus detection, but estrus expression still influences pregnancy rates to timed AI. Knowing what proportion of your cows or heifers have expressed estrus before timed AI can be valuable information.
Video by Dr. Jordan Thomas, Beef Reproduction Extension Specialist from the University of Missouri's Division of Animal Sciences in the College of Agriculture, Food and Natural Resources. Guest contribution by Dr. Ky Pohler, Assistant Professor in the Department of Animal Science at Texas A&M University.
16 сен 2024
