Avian influenza (AI) is caused by an influenza type A virus which can infect poultry (such as chickens, turkeys, pheasants, quail, domestic ducks, geese, and guinea fowl) and wild birds (especially waterfowl).

Biosecurity is a series of management practices designed to prevent the introduction, delivery, and spread of disease pathogens that can harm or adversely affect livestock, crops, environments, and people.

Question: I just bought my first horse—a gelding. My fellow barn mates tell me that I need to clean his sheath several times a year. Do I really need to do that, and, if so, how?