6o 



l'(}ri/lin- DISI'ASl'S AND 'I'UKIK TUKATMENT. 



advancinii' emaciation ; ane- 

 mia, shown Ijy jmllor of 

 comlj wattles and the skin 

 about the liead : general 

 weakness ; lanieness, ruffling' 

 of the feathers and in many 

 cases diarrhea. When com- 

 bined with the foregoing 

 you notice a bright eye and 

 a ravenous appetite }ou 

 ma\' have very strong sus- 

 ])icions." 



Emaciation is one of the 

 best symptoms and in the 

 last stages of the disease be- 

 comes very i;:arked. Per- 

 not cites the case of a Ply- 

 mouth Rock hen weighing 4 

 pounds that was reduced to 

 22 ounces. ihe emaciation 

 is very marked in the mus- 

 cles covering tlie breast 

 bone. Fig. 2 sliows the 

 breast bone of a tuberculous 

 hen from which the skin 

 onl}- has been removed. 



Lameness is a n o t h e r 

 s)'mptom often shijwn in the 

 later stages of the disease. 

 This is caused ^jv tuberculo- 

 sis of the joinrs as has been 

 proven in many cases. Such 

 cases are often called "rheu- 

 matism" In' poultrymen. 

 Tulierculosis ma^• also form 

 tuniors or ulcers or various 

 outgro',\ths on tlie head and limbs of birds. Such forms of the 

 disease are com]jarativel)' rare in poultry, however. Parrots 

 are ])articularly afl'ected with these external tubercles. 



Xor.e of these s\ni])tonis, liowcver, is more than an indication 



Fig. 2. Breast hone of a fowl 

 showing excessive eniaeiatiim in 

 tuherculosis. (.\fkr Ward). 



