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  • Title: Hybridization on bovine enterotoxigenic Escherichia coli with two heat-stable enterotoxin gene probes.
    Author: Mainil J, Bex F, Couturier M, Kaeckenbeeck A.
    Journal: Am J Vet Res; 1985 Dec; 46(12):2582-4. PubMed ID: 3909866.
    Abstract:
    Hybridizations were done on bovine enterotoxigenic Escherichia coli with 2 heat-stable (ST) enterotoxin gene probes from porcine and human origin (STp and STh). Of the baby mouse-positive isolates, 56 (53%) hybridized the STp probe and 50 (47%) did not. There was no isolate that hybridized the STh probe. Hybridization with the Stp probe was more frequent (P less than 0.005) for E coli isolated from calves that died before 2 weeks of age (49 STp-positive isolates of 77 [64%] isolates) than for E coli isolated from calves that died after 2 weeks of age (2 STp-positive of 21 [10%] isolates).
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