Enteric Clostridium perfringens infection associated with parvoviral enteritis in dogs: 74 cases (1987-1990)

James Turk From the Veterinary Medical Diagnostic Laboratory, College of Veterinary Medicine, University of Missouri-Columbia, PO Box 6023, Columbia, MO 65205.

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William Fales From the Veterinary Medical Diagnostic Laboratory, College of Veterinary Medicine, University of Missouri-Columbia, PO Box 6023, Columbia, MO 65205.

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Margaret Miller From the Veterinary Medical Diagnostic Laboratory, College of Veterinary Medicine, University of Missouri-Columbia, PO Box 6023, Columbia, MO 65205.

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Lanny Pace From the Veterinary Medical Diagnostic Laboratory, College of Veterinary Medicine, University of Missouri-Columbia, PO Box 6023, Columbia, MO 65205.

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John Fischer From the Veterinary Medical Diagnostic Laboratory, College of Veterinary Medicine, University of Missouri-Columbia, PO Box 6023, Columbia, MO 65205.

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Gayle Johnson From the Veterinary Medical Diagnostic Laboratory, College of Veterinary Medicine, University of Missouri-Columbia, PO Box 6023, Columbia, MO 65205.

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John Kreeger From the Veterinary Medical Diagnostic Laboratory, College of Veterinary Medicine, University of Missouri-Columbia, PO Box 6023, Columbia, MO 65205.

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Susan Turnquist From the Veterinary Medical Diagnostic Laboratory, College of Veterinary Medicine, University of Missouri-Columbia, PO Box 6023, Columbia, MO 65205.

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Louis Pittman From the Veterinary Medical Diagnostic Laboratory, College of Veterinary Medicine, University of Missouri-Columbia, PO Box 6023, Columbia, MO 65205.

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Audrey Rottinghaus From the Veterinary Medical Diagnostic Laboratory, College of Veterinary Medicine, University of Missouri-Columbia, PO Box 6023, Columbia, MO 65205.

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Harvey Gosser From the Veterinary Medical Diagnostic Laboratory, College of Veterinary Medicine, University of Missouri-Columbia, PO Box 6023, Columbia, MO 65205.

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Summary

Parvovirus infection was confirmed by fluorescent antibody staining of or viral isolation from specimens of small intestine in 181 (17%) of 1,110 dogs necropsied between July 1, 1987 and Dec 31, 1990. Clostridium perfringens was isolated from 74 (69%) of 108 dogs with parvovirus infection from which specimens of jejunum also had been obtained for culture of anaerobic bacteria. Gram-positive bacilli in association with focal to diffuse necrosis of the superficial portions of the villi were observed in histologic sections of specimens of small intestine from 56 (98%) of 57 dogs from which parvovirus and C perfringens had been identified. These findings indicate that C perfringens frequently proliferates in dogs with parvovirus infection.

Summary

Parvovirus infection was confirmed by fluorescent antibody staining of or viral isolation from specimens of small intestine in 181 (17%) of 1,110 dogs necropsied between July 1, 1987 and Dec 31, 1990. Clostridium perfringens was isolated from 74 (69%) of 108 dogs with parvovirus infection from which specimens of jejunum also had been obtained for culture of anaerobic bacteria. Gram-positive bacilli in association with focal to diffuse necrosis of the superficial portions of the villi were observed in histologic sections of specimens of small intestine from 56 (98%) of 57 dogs from which parvovirus and C perfringens had been identified. These findings indicate that C perfringens frequently proliferates in dogs with parvovirus infection.

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