STUDY OF AN ATTENUATED ANAPLASMAMARGINALE VACCINE IN MEXICO NATURAL CHALLENGE OF IMMUNITY IN AN ENZOOTIC AREA - SOLANA, PM; PEREZ, JM; OSORNO, MB; LOPEZ, TR (INST NAC INVEST PECUARIAS SECRETARIA AGR & GANADERIA,DEPT HEMOTROPIC DIS,KM 15 1-2 CARRETERA,MEXICO CITY,MEXICO, 1975)
AM J VET RES
Keywords: STUDY, ATTENUATED ANAPLASMA MARGINALE VACCINE, MEXICO, NATURAL CHALLENGE, IMMUNITY, ENZOOTIC AREA; CIENCIAS AGRARIAS; CIENCIAS VETERINARIAS; INMUNOLOGIA