Publications

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rapid detection and typing of strains of mycobacterium avium subsp. paratuberculosis from broth cultures.a liquid culture followed by molecular confirmation was evaluated for potential to improve sensitivity and reduce time to diagnosis of mycobacterium avium subsp. paratuberculosis infection. fecal samples from 240 animals from ohio farms were assessed for presence of m. avium subsp. paratuberculosis using four different protocols: (i) sedimentation processing followed by inoculation on herrold's egg yolk media (heym) slants (monitored biweekly up to 16 weeks), (ii) double centrifugation processin ...200515872229
evidence of paratuberculosis in ohio's white-tailed deer, as determined by an enzyme-linked immunosorbent assay.an enzyme-linked immunosorbent assay (elisa) was developed and used to detect antibodies to mycobacterium paratuberculosis in serum samples obtained in december of 1983 from 954 hunter-killed white-tailed deer (odocoileus virginianus) in 13 ohio counties. positive or negative status was determined by calculating a signal-to-noise ratio, a ratio between the optical density of the test serum and negative reference sera; a ratio of greater than or equal to 3.0 was considered positive. twenty-four s ...19863099612
sensitivity of test strategies used in the voluntary johne's disease herd status program for detection of mycobacterium paratuberculosis infection in dairy cattle herds.to evaluate sensitivities at the herd level of test strategies used in the voluntary johne's disease herd status program (vjdhsp) and alternative test strategies for detecting dairy cattle herds infected with mycobacterium paratuberculosis.200212420786
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