"The 12th edition continues in this tradition. That said, we acknowledge that prioritizing and organizing the content for a new edition of Diseases of Swine is a formidable challenge. Continuing advances in swine genetics, management, and nutrition provide new opportunities for improvements in health and productivity. But these advances are tempered by the new challenges to swine health presented by infectious and non-infectious agents and the multifactorial disease challenges they pose"-- Provided by publisher.