1.
Braz. j. vet. res. anim. sci
;
37(1): 61-64, jan.-fev. 2000. graf
Article
in English
| LILACS
| ID: lil-326443
ABSTRACT
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