PMID: 3750739Jul 1, 1986Paper

Enterocolitis caused by Ehrlichia sp. in the horse (Potomac horse fever)

Veterinary Pathology
D O CordesW R Chickering

Abstract

Potomac horse fever was reproduced in 15 ponies by transfusion of whole blood originally from two natural cases and subsequently from ponies infected by the transfusions. Incubation periods varied from 9 to 15 days. Affected ponies developed varying degrees of fever, diarrhea, anorexia, depression, and leukopenia. Eleven affected ponies were killed, three died in the acute phase of the disease, and one did not show clinical signs. The most consistent post-mortem findings were fluid contents in the cecum and large colon, and areas of hyperemia (of inconstant degree and distribution) in mucosae of both small and large intestines. Multifocal areas of necrosis occurred in mucous membranes. Ehrlichial organisms were most common in the cytoplasm of epithelial cells, macrophages, and mast cells of the large colon.

References

Mar 2, 1985·The Veterinary Record·B D PerryG K Saunders
Sep 1, 1985·Infection and Immunity·Y Rikihisa, B D Perry
Oct 13, 1984·The Veterinary Record·Y RikihisaD Cordes
Nov 24, 1984·The Veterinary Record

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Citations

Jul 1, 1993·Veterinary Microbiology·Y RikihisaS Yamamoto
May 7, 2013·Veterinary Microbiology·S S DiabF A Uzal
Mar 1, 1994·Journal of Veterinary Internal Medicine·J E Palmer, C E Benson
Nov 1, 1991·Equine Veterinary Journal·P Mulville
Jun 1, 1989·Equine Veterinary Journal. Supplement·M C RobertsC M Johnson
Oct 3, 2001·Journal of Veterinary Diagnostic Investigation : Official Publication of the American Association of Veterinary Laboratory Diagnosticians, Inc·F DutraF Riet-Correa
Jul 1, 1989·Journal of Veterinary Diagnostic Investigation : Official Publication of the American Association of Veterinary Laboratory Diagnosticians, Inc·M A BreiderR E Corstvet
May 1, 1993·Veterinary Pathology·C M JohnsonM C Roberts
Apr 13, 2005·American Journal of Veterinary Research·Rebecca S McConnicoRustin M Moore

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