The Effects of Clostridium perfringens Type A Enterotoxin in Shetland Ponies—Clinical, Morphologic and Clinicopathologic Changes

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Abstract
Severe abdominal pain, classic colic signs and hemorrhagic gastro-entero-cecocolitis were induced in three conventional Shetland ponies by intravenous injection with Clostridium perfringens Type A enterotoxin. Histological examination showed marked congestion, edema and hemorrhage of the large and small intestine and sloughing of the tips of the intestinal villi. Marked vacuolar degeneration of hepatocytes with dilatation of the spaces of Disse also was found. Clinical changes consisted of severe hypoglycemia, markedly increased aspartate aminotransferase levels and leukopenia that occurred rapidly.

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