| babesia equi field isolates cultured from horse blood using a microcentrifuge method. | babesia equi, a causative agent of equine piroplasmosis, was isolated from horses in the chaco province of argentina, a known piroplasmosis endemic region. fifteen b. equi field isolates were acquired by culture from 23 actively working horses from 2 ranches. the horses appeared healthy with no clinical signs or histories indicative of equine piroplasmosis. all 23 horses had b. equi-specific antibody activity by the indirect fluorescent antibody test and 18 were also complement fixation test pos ... | 1998 | 9714196 |