The serological response of adult cattle after vaccination with Brucella abortus strain 19 and RB51

Poester, Fernando Padillaamos, Ernani Tadeuomes, Marcos José Pereirahiminazzo, Cláudiochurig, Gerhardt

Adult cattle vaccinated once or twice with 2x109 viable B. abortus strain RB51 bacteria did not seroconvert in the rose bengal, serum agglutination and mercaptoethanol tests. Animals vaccinated while pregnant did not abort and no B. abortus was isolated from their vaginal mucus and milk