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Vet Microbiol. 1989 Feb;19(2):183-7.

Paratuberculosis in cattle: a comparison of three serologic tests with results of fecal culture.

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U.S.D.A., Animal and Plant Health Inspection Service, National Veterinary Services Laboratories, Ames, IA 50010.


Feces and blood were collected from cattle in 13 herds known to be infected with Mycobacterium paratuberculosis to evaluate a complement-fixation (CF) test, an agar gel immunodiffusion (AGID) test and an enzyme-linked immunosorbent assay (ELISA) for the serologic diagnosis of paratuberculosis. M. paratuberculosis was isolated from the feces of 36 of 192 cattle examined. Twenty-three culture-positive animals had CF test titers regarded as suspect or positive, 10 were positive by the AGID test and 34 were suspect or positive by the ELISA. Of the 156 culture-negative animals, the CF test agreed on 136, the ELISA on 129 and the AGID on 151.

[Indexed for MEDLINE]

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