Observations on Brucella ovis CFT results

Observations on Brucella ovis CFT results
Peer reviewed

Abstract

Three commercial flocks, deriving replacement rams from 15 parent studs, had respectively 33 of 71, 13 of 31 and 8 of 82 rams
positive to the Br. ovis CF test. In the first flock, clinical findings supported a diagnosis of active Brucella infection. In the other two flocks, positive results were attributed to vaccinational titres persisting for up to 3 years after vaccination. It is concluded that studs permanent identification of vaccinated rams would assist in Br.ovis flock-testing programmes.

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