PARASITOLOGY. 217 



Parts Infested. — Feet, lips, gums and nostrils. 



Symptoms. — Manifests itself as ulcerous patches 

 on lips, gums, nostrils, and involves the sensitive struc- 

 tures of the foot. The granular masses found in the 

 ulcers contain the amoeba. 



Treatment. — ^Copperas solution or any antiseptic as 

 a one-percent solution of kreso or creolin. 



Amoeba Meleagridis. 



Distrihuiion. — Found in various parts of the United 

 States. 



Description. — They are microscopic granular proto- 

 plasmic masses from ten to fifteen microns in 

 diameter. 



Animal Infested. — The turkey and occasionally the 

 hen. 



Parts Infested. — Caecum and liver. 



Symptoms. —Loss of appetite ; droopy ; head down ; 

 diarrhoea; feathers erect; emaciation and death. 

 Most fatal in young birds from one to four months 

 old. 



Condition Produced. — Thickening of the walls of 

 the caecum due to inflammation as a result of the in- 

 vasion of the protozoon and ulceration. The liver is 

 congested or inflamed, has brownish or yellowish 

 areas of degeneration and necrosis and edema in 

 region of heart. There is a blackish discoloration of 

 the head. A systemic eosinophilia is noted. Cloudy 

 swelling of focal necrosis has been noted in the 

 kidney. 



Name of Disease. — Entero-hepatitis, black head. 

 Treatment. — Intestinal antiseptics, as teaspoonful 

 doses of listerine, bi-chloride of mercury solution 

 one to ten thousand, or carbolic acid one to five 

 hundred. 



