So far as overall improvement is concerned, a. boar has far more influence in a herd than the. average sow. Because a boar has such a. tremendous influence within a herd, careful. consideration should be given to his selection, management and replacement. On many farms productivity and profitability are.
Health Benefits of Birth Control Methods. Birth control prevents unwanted pregnancies. The medical risks of pregnancy and delivery are much higher than the risks of using any birth control method. Some birth control methods have other health benefits in addition to the prevention of pregnancy. 1  Latex condoms protect against sexually transmitted infections (STIs), including infection with the human immunodeficiency virus (HIV).
The birth control shot is a hormonal method of birth control. It is also known as Depo-Provera or DMPA. The birth control shot is an injection of the hormone progestin. It prevents pregnancy for up to three months. DMPA was approved by the Food and Drug Administration (FDA) in 1992. Since then, it has been tried by 22 percent of American women.