For sex sorted semen, the ability to shift the gender ratio of a calf crop comes from the fact that gender is determined by the sperm cell that fertilizes the egg. Sperm cells that result in a heifer ...

Hyperspermia means producing more than 6.3 milliliters of semen per ejaculation. That's about 1 1/4 teaspoons. This condition might affect fertility by diluting sperm concentration. Hormonal ...

If semen leaks out after sex, it can lower the chances of getting pregnant. Staying still for at least 10 to 15 minutes after ejaculation can help keep more semen inside. Lying on your back with a ...