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Typhlocolitis by Edwardsiella tarda in a cow

Gabriel, Mateus Eloir; Henker, Luan Cleber; Gris, Anderson; Carneiro, Christofe; Casagrande, Renata Assis; Gomes, Teane Milagres Augusto; Santos, Diovane Medeiros dos; Mendes, Ricardo Evandro.
Acta sci. vet. (Online); 47(suppl.1): Pub. 381, Mar. 30, 2019. ilus
Artigo em Inglês | VETINDEX | ID: vti-19132


Background: Edwardsiella tarda has been report as etiology of gastroenteritis in both human and veterinary medicine,usually associated with exposure to aquatic environments in immunocompromised individuals. The present report describesa case of typhlocolitis in a cow in the west region of Santa Catarina state, Brazil.Case: After clinically evaluation of animal and proceeding euthanasia and realized the necropsy. Tissue samples were collected, and routinely processed for histological examination. Histopathological lesions were described as mild, moderateand severe. Tissue and swabs samples of small and large intestine were sent to standard microbiological culture processing.At necropsy, cattle presented severe dehydration and emaciation. Eye and vaginal mucosa were severely congested. Theopening of the abdominal cavity revealed a great amount of greenish fluid and a large amount of fecal material, associatedwith diffuse severe peritonitis, evidenced by hyperemia and severe deposition of fibrin in the visceral and parietal peritonealsurface. In the serosa of the cecum, there were two points of rupture, observed in the proximal colon. The mucosa of cecumand colon were severely edematous, hyperemic, and presented diffusely distributed pinpoint round hemorrhages, as wellas fibrinonecrotic material adhered to the surface. Histologically, in the mucosa of cecum and colon, moderate to severediffuse inflammatory infiltrate of neutrophils, lymphocytes and plasma cells associated with multifocal severe necrosiswere observed. Moderate diffuse fibrin deposition was evidenced in the submucosa and muscular, as well as multifocalmoderate necrosis in the muscular layer. In the serous, severe diffuse inflammatory infiltrate of neutrophils associated withfibrin deposition and innumerous coccoid bacterial colonies were observed. The samples subjected to bacterial isolationshowed growth of Edwardsiella tarda. All samples were negative for Salmonella spp. and...(AU)
Biblioteca responsável: BR68.1