Low rate of detectable in utero transmission of Mycobacterium avium subspecies paratuberculosis in a dairy herd with a low prevalence of Johne's disease

John M Adaska, Robert H. Whitlock

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

In an effort to correlate the likelihood of in utero transmission of Mycobacterium avium subsp. paratuberculosis (MAP), the causal organism of Johne's disease, with the test status of the dam, tissues from neonatal calves borne to known test status cows were cultured for the presence of MAP. Tissues from a single calf borne to a test-positive cow shedding large numbers of organisms in the feces were positive for MAP. The detected overall transmission rate was approximately 2% (1/49), and the detected transmission rate in cows that were fecal culture positive and serum enzyme-linked immunosorbent assay suspect or positive was approximately 4.3% (1/23).

Original languageEnglish (US)
Pages (from-to)153-155
Number of pages3
JournalJournal of Veterinary Diagnostic Investigation
Volume24
Issue number1
DOIs
StatePublished - Jan 2012

Keywords

  • In utero transmission
  • Johne's disease
  • Mycobacterium avium subsp. paratuberculosis

ASJC Scopus subject areas

  • veterinary(all)

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