6o 



pouivTRY dise;ase;s and the;ir tre;atment. 



advancing emaciation ; ane- 

 mia, shown by pallor of 

 comb wattles and the skin 

 about the head; general 

 weakness ; lanaeness, ruffling 

 of the feathers and in many 

 cases diarrhea. When com- 

 bined with the foregoing 

 you notice a bright eye and 

 a ravenous appetite you 

 may have very strong sus- 

 picions." 



Emaciation is one of the 

 best symptoms and in the 

 last stages of the disease be- 

 comes very marked. Per- 

 not cites the case of a Ply- 

 mouth Rock hen weighing 4 

 pounds that was reduced to 

 22 ounces. I'he emaciation 

 is very marked in the mus- 

 cles covering the breast 

 bone. Fig. 2 shows the 

 breast bone of a tuberculous 

 hen from which the skin 

 only has been removed. 



Lameness is another 

 symptom often shown in the 

 later stages of the disease. 

 This is caused L)y tuberculo- 

 sis of the joints as has been 

 proven in many cases. Such 

 cases are often called "rheu- 

 Fig. 2. Breast bone of a fowl matism" by pouTtrymen. 

 showing excessive emaciation in Tuberculosis may also form 

 tuberculosis. (After Ward). tumors or ulcers or various 



outgrowths on the head and limbs of birds. Such forms of the 

 disease are comparatively rare in poultry, however. Parrots 

 are particularly afifected with these external tubercles. 



None of these symptoms, however, is more than an indication 



