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Archivos de medicina veterinaria

versión impresa ISSN 0301-732X

Resumen

ASSIS, R. A et al. Isolation of Clostridium perfringens type D from a suckling calve with ulcerative abomasitis. Arch. med. vet. [online]. 2002, vol.34, n.2, pp.287-292. ISSN 0301-732X.  http://dx.doi.org/10.4067/S0301-732X2002000200015.

An outbreak of ulcerative abomasitis in suckling calves associated with Clostridium perfrigens type D infection is described. Six twoweek old Holstein calves died after showing loss of appetite and lethargy. Other animals had died in similar circumstances during the previous six months. At necropsy, the abomasum was severely distended with dark fluid and the mucosa was oedematous and covered with many millimetric ulcers, while the serous surface of this organ was covered with fibrin. Several irregular black areas of infarcts were observed in the cecum of one animal. Histologically, the abomasal mucosa showed ulcers and haemorrhage, while the submucosa showed severe oedema and infiltration of neutrophils, lymphocytes and plasma cells. Short, thick, nonsporulated Gram positive rods were observed on smears of abomasal mucosa. C. perfringens type D was isolated from the abomasal mucosa. Low immunity and stress could have contributed to the pathogenesis of the lesions described

Palabras clave : Ulcerative abomasitis; calves; Clostridium perfringens type D.

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