Serological relationship between cattle exposed to Brucella abortus, Yersinia enterocolitica O:9 and Escherichia coli O157:H7
2004
Nielsen, K. | Smith, P. | Widdison, J. | Gall, D. | Kelly, L. | Kelly, W. | Nicoletti, P.
Sera from cattle naturally infected with Brucella abortus (n=160), vaccinated with B. abortus S19 (n=88) or immunized with Yersinia enterocolitica O:9 (n=25) or Escherichia coli O157:H7 (n=80) were collected. The sera were compared for antibody content to the same bacteria by indirect enzyme immunoassay (IELISA), fluorescence polarization assay (FPA) and competitive enzyme immunoassay (CELISA). Cattle sera (n=523) collected randomly from across Canada were tested in the same tests.
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