T'/je Vet. Book 



acquiring the disease from man through devour- 

 ing tubercular sputum, whilst the writer has 

 frequently seen cats gradually die from the 

 disease after feeding upon the bodies of 

 tuberculous fowls. 



It is thought by some authorities that the milk 

 of cattle is only infective when the udder is the 

 seat of tubercular disease, but tubercular garget 

 in cattle is not a common complaint. Tuberculosis 

 in cattle usually assumes the form of nodular new 

 growths adherent to the pulmonary and intercostal 

 pleurae, and these growths have a grapey appear- 

 ance. The pleural membrane on the chest wall, 

 and that reflected over the midriff, is sometimes 

 one mass of these growths ; whilst the lungs have 

 tubercles of variable size and grapy outgrowths 

 therefrom. 



When the disease is generalised, the pericardium, 

 liver, kidneys, uterus, vagina, larynx and trachea 

 may be implicated. 



The glands of the bowels, lungs, and other 

 lymphatics, especially those in the region of the 

 shoulder and thigh, are generally affected, and 

 such appear to be the tracks of infection. 



It is believed that tuberculosis is communicable, 

 both by ingestion and inhalation. In poultry, 

 the liver is commonly the seat of the disease, 

 whilst large calcareous tumours occur in the 

 belly. 



In the horse the spleen (or melt) is the principal 



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