Bovine Tuberculosis
... By Forceps IS it true that 30 per cent, of our cattle are affected with bovine tuberculosis? The answer, fortunately, is No. It is true, however, that the incidence of the disease in dairy cows is somewhere between 30 and 35 per cent. This is according to an estimate made in 1946 by Mr. J. N. Ritchie. Deputy Chief Veterinary Officer, Ministry of Agriculture. He calculated that 20 per cent, ...