[Use of the B19 strain in the prevention of bovine brucellosis in northern Cameroon. Study of effect of the dose on seroconversion rate and duration in female zebu]
{{output}}
Four herds of zebus from northern Cameroon totalling 136 animals were vaccinated subcutaneously with the following doses of Brucella abortus strain 19: 5 x 10(9) colony-forming units (CFU), 10(9) CFU, 5 x 10(8) CFU and 10(7) CFU. Twenty-eight days after vaccin... ...
