Buy a Yorkshire breeding pair from Silver Bridge Farm. This 8-month-old, 280 lb NPA-registered pair represents the most widely registered pig breed in North America. Yorkshire sows average 12.1 piglet…s born alive per litter with top USDA-recorded nursing ability. White with erect ears, ideal commercial dam line. Feet and legs structurally evaluated. Full AHAT health screen on file. PRRS vaccinated, Mycoplasmal Pneumonia, Swine Influenza, and Erysipelas vaccines current. Nationwide livestock transport available with temperature-controlled trailers.