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Online Journal of Veterinary Research

(Including Medical and Laboratory Research)

Established 1994

ISSN 1328-925X

Volume 26 (3):173-180, 2022.

Pathology of equine salmonella induced peracute and acute enterocolitis.

Moaddab H DVM DVSc1, Siavosh Haghighi ZM DVM PhD2, Davoodabadi F DVM2

Department(s) of clinical sciences1 and Pathology2


Moaddab H, Haghighi ZM, Davoodabadi F., Pathology of equine salmonella induced peracute and acute enterocolitis, Onl J Vet Res., 26 (3):173-180, 2022. Horses (37) with diarrhea and abdominal pain were monitored for 4 years. Twenty (54%) died and 17 (45%) survived. Horses were positive for salmonella in nasogastric reflux (2), feces (12) or intestinal contents at necropsy (20). Before treatment or death, we recorded depression (37), tachycardia (37), tachypnea (35), congested mucous membranes (37), increased capillary refill time (32), fever (10), hypothermia (19), diarrhea (26), bloody diarrhea (4), abdominal pain (34), nasogastric reflux (15), ileus (21), reduced abdominal sounds (29) and gas distended intestines (25). At necropsy, 15 had severe dilation of stomach, gas filled cecum and colon (19), petechial and echymotic hemorrhage of serosa and mucosa of small intestine and colons (20), pale and enlarged kidneys (20), and hemorrhagic adrenals (20). Histologically, the most severe lesions were typically found in the cecum and colon. Hemorrhages and superficial coagulative necrosis with mixed inflammatory cell infiltrate were principle findings.

Key words: Equine, enterocolitis, Salmonellosis, Histopathology.