Brucella melitensis biotype 1 was isolated in pure culture from the lungs, liver, spleen, kidney, stomach contents, abomasum and brain of an aborted caprine (Boer goat) foetus in the district of Cullinan, near Pretoria. The 18 does and 1 ram in the flock of Boer goats were examined serologically by means of the complement fixation (CF) test, using Brucella abortus antigen. Six weeks later they were examined again, using B. abortus as well as B. melitensis biotype 1 antigens. No significant differences were found between the 2 CF tests using B. abortus antigen, or between the results obtained by using the B. abortus and B. melitensis antigens.
Twelve goats, showing CF antibody titres, were slaughtered and examined bacteriologically. No relationship was found between the serological and bacteriological results.
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