Performing breeding soundness evaluations on herd bulls is a sound investment for beef cow-calf operations. A bull breeding soundness evaluation (BSE) is a uniform method of assessing a bull’s likelihood of accomplishing pregnancy in an appropriate number of open, healthy, cycling cows or heifers in a defined breeding season.
Trichomoniasis is a bovine venereal disease that can cause substantial reproductive and economic loss in cow-calf operations that use natural service. Many states, including Louisiana, now have regulations on movement of bulls to prevent the spread of trichomoniasis.
This report evaluates the natural variability in the sperm sex ratio.
The LSU AgCenter and the LSU College of Agriculture