Fig. 1From: First retrospective studies with etiological confirmation of porcine transmissible gastroenteritis virus infection in ArgentinaGross and histological findings in neonatal piglets affected with TGEV detected in case 1. a shows thin small intestinal walls and loops distended by gas containing scant yellow watery digesta. b shows histological changes characterized by villous shortening, fusion and moderate submucosal edema. c and d present viral detection by IHC and ISH-RNA respectively. Note the severity of viral distribution affecting the entire length of the villiBack to article page