02 



I'OULTKV DISKASES AND THEIR TREATMENT. 



Still another very important piece of post-mortem evidence 

 IS found if the intestmes and the mesenteries are dotted with 

 these rounded nodules as shown in fig. 5. 



Fig. 5. Intestine and me.senteries of a fowl affected with 

 tnl^erculosis. (After Ward). 



The lungs are irrv rarely affected and then usually by the 

 infection spreading from the liver on to the adjoining lung tis- 

 sue. All this agrees with the fact previously stated that fowls 

 are most easily infected through the digestive tract. Alteration 

 of the bones, joints or other organs occur much more rarely and 

 usualh' onh- in the most advanced stages of the disease. 



