disease has primary infectious agent in taxon swine disease porcine reproductive and respiratory syndrome blue-eared pig disease blue eared pig disease mystery swine disease porcine epidemic abortion and respiratory syndrome swine infertility and respiratory syndrome A syndrome characterized by outbreaks of late term abortions, high numbers of stillbirths and mummified or weak newborn piglets, and respiratory disease in young unweaned and weaned pigs. It is caused by porcine respiratory and reproductive syndrome virus. (Radostits et al., Veterinary Medicine, 8th ed, p1048) MONDO:0025494 MESH:D019318 pig disease, blue-eared PRRS swine disease, mystery infectious disease, non-human animal viral infectious disease, non-human animal Porcine reproductive and respiratory syndrome virus Sus scrofa