Not knowing whether your bull is fertile, subfertile or infertile will have an impact on the length of the calving period, the percentage of barren cows and calf weaning weights. Current studies show that 1 in 5 bulls are subfertile, either on physical exam or semen evaluation or both. This most likely would increase to… Read more »
All arable farmers have a cropping calendar and most sheep & beef farmers have a breeding calendar dictating; when the bulls go in, when vaccinations are to be undertaken to have maximum effect, when calving/lambing is going to start and stop etc.; but how many of us have a Bull Calendar to maximise our return… Read more »