BASSON , P. A., McCULLY, R. M. & BIGALKE, R. D. Observations on the pathogenesis of bovine and antelope strains of Besnoitia besnoiti (Marotel, 1912) infection in cattle and rabbits. Onderstepoort f . vet. R es. (1970), 37 (2), 105126. Histopathological studies were made on cattle and rabbits, artificially infected with either proliferative organisms of low and high passage level bovine strains...