Show avian tuberculosis Is spread by brood sows bows investigators at the illinois experiment station have added another unit alln to their long chain of evidence on the tha part which avlan avian or fowl type of the disease plays in tuberculosis of swine and ana calves they have shown during the past year that the avian type of the disease may be perpetuated in swine independent of contact with infected chickens or contaminated ground the evidence has been obtained that pigs infected with the avian type of tuberculosis may pass in their feces virulent tubercle bacilli capable of establishing the disease in other pigs independently of other means hence bence sows bows infected with avion avian tuberculosis may be looked upon as a potential means of spreading the disease to pigs |