NASAL PREVALENCE OF MYCOPLASMA-BOVIS AND IHA TITERS IN YOUNG DAIRY ANIMALS

  • 1 January 1977
    • journal article
    • research article
    • Vol. 67  (3) , 361-373
Abstract
Serologic and cultural observations were made in 3 herds with and 3 herds without histories of mycoplasma mastitis. Nasal swabs and sera were collected from dairy animals of various ages over an 8 mo. period. The overall prevalence of M. bovis in the nares was 34% in diseased herds and 6% in the non-diseased herds without mastitis. M. bovis was isolated in the highest prevalence in those young animals fed infected milk. Slight serologic differences were seen in these animals. Nasal prevalence of M. bovis was low but readily detectable in non-diseased herds and in prepartum heifers in the diseased herds with mycoplasma mastitis.

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