Genetics of Disease (PRRS and PCVAD) Resistance

Introduction. Pigs exhibit a range of responses when exposed to certain pathogens. Some die, some become severely ill and never fully recover, others become moderately ill and quickly recover, and some show few symptoms of disease. Evidence is accumulating that part of this variation is due to variation among pigs in their immune function genes. For some diseases, immunity is acquired – pigs produce antibodies after exposure to a pathogen or vaccine. Pig