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).
How effective is the Depo shot? The birth control shot â Depo-Provera â is one of the most effective methods of birth control available. Each shot of Depo-Provera will protect you from pregnancy for 12 weeks. It works best when you get the birth control shot regularly, every 12 weeks. Fewer than one out of 100 women will get pregnant each year if they always use the birth control shot as directed. About six out of 100 women will get pregnant each year if they donât always use the birth control shot as directed.