The Comparison of Isospora bigemina Large Type of the Cat and Besnoitia wallacei

Abstract

Isospora bigemina large type of cats was compared with Besnoitia wallacei. B. wallacei was slightly infective to hamsters as well as I. bigemina large type. The former was not different to the latter in size of schizonts. Both protozoa were coincident serologically and immunologically. They were found to be identical.