POULTRY DISEASES AND THEIR TREATMENT 



Island Experiment Station. Coccidia enter 

 the digestive tract of the healthy turkey by 

 means of food or water infected by the 

 excrement of a sick bird. The organisms 

 pass along the alimentary canal until they 

 reach the caeca, the lining of which they 

 attack, giving rise to the conditions men- 

 tioned under post-mortem symptoms. How 

 the infection spreads from the caeca to the 

 liver is not clear. 



It has been conclusively proved that 

 fowls, as well as pigeons, sparrows, etc., act 

 as hosts for these parasites. Although 

 adult fowls have a great degree of resistance 

 themselves, they are a means of carrying 

 infection to turkeys. 



Eggs may be one of the means of spread- 

 ing the disease, as they may become con- 

 taminated in the oviduct or the cloaca of 

 birds affected with blackhead. 



Treatment. No remedy or satisfactory 



method of prevention has been discovered. 



The difficulty of effecting a cure is obvious 



when the nature of the disease is con- 



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