An occurrence of Balantidium coli in calves

Abstract

Extract

The ciliate protozoan parasite Balantidium coli is considered by Hagan (1947 Hagan, W. A. 1947. The Infections Diseases of Domestic Animals, Ithaca, N.Y.: Comstock Publishing Co. Inc..  Google Scholar]) commonly to infest swine, in which it occasionally produces, ulcerative colitis and diarrhoea. Humans are subject to infestation only rarely, and those most commonly affected associate with swine. A preliminary report by Norgarin (1957 Hayes, F. A. and Jordan, H. E. 1956. J. Amer. vet. med. Ass., 126: 161–161.  Google Scholar]) records the occurrence of B. coli in cattle, and Hayesand Jordan (1956 Norgarin, S. 1957. Veterinaria Milano, 6: 201–201.  Google Scholar]) record its presence in worm infested dogs.