Isolation of Brucella abortus and Brucella abortus, strain 19, from cattle

Ewalt, D.R.; Harrington, R.

Journal of the American Veterinary Medical Association 174(2): 172-173

1979


ISSN/ISBN: 0003-1488
PMID: 109423
Document Number: 147212
In a Colorado herd, tissues from 104 cows were examined for brucellae. Brucella abortus strain 19 was isolated from 22 cows, a field strain of B. abortus biotype 1 was isolated from 9 cows, and both strains were isolated from 2 cows. Recent unofficial vaccination of adult cows with strain 19 vaccine was suspected.

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