74 



POULTRY DISEASES 



Treatment : Eraclication. — The scabby patches should be 

 soaked with soapy water till the scabs can be easilj^ removed 

 (this will take time, but in valuable birds it will pay; if of in- 

 sufficient value to justify this expenditure of time and labor, 

 kill the bird and burn the affected parts, the legs and feet). 

 After removal of all scabs possible, scrub thoroughly with 

 gasolene or kerosene or kerosene emulsion, using a nail brush 



and taking pains to make 

 certain that the liquid roach- 

 es the deepest parts. 



Kerosene emulsion is made 

 as follows: Kerosene (coal- 

 oil) one-half gallon, common 

 soap, two ounces, water, one 

 quart. Dissolve the soap by 

 boiling in the water, add this 

 solution, boiling hot, to the 

 kerosene and stir with an egg- 

 beater, or otherwise violently 

 agitate. When ready for use 

 take one part of the emulsion 

 and add to this nine parts of 

 water. 



L i m e-and-Sidpliur Dip. — 

 This well-known parasiticide 

 used warm and scrubbed 

 thoroughly under the scales 

 is very effective. The lime 

 and sulphur dip is made as 

 follows : Unslacked lime, one- 

 third of a pound, sulphur, 

 one pound, water, four gal- 

 lons. This mixture should be boiled for two hours and the 

 amount lost by evaporation made up by adding water. The 

 lime acts as a solvent for the sulphur; the dissolved sulphur 

 is a valuable parasiticide. 



Commercial Disinfectants. — Five per cent solution (in w^a- 

 ter) of creolin, zenoleum, or kreso dip is also effective. These 

 solutions should be used warm. 



Premises. — For the eradication of scab parasites from in- 

 fested premises, follow the directions given for ridding pre- 

 mises of lice. (See page 72.) 



AIR SAC DISEASE 



This is a very serious mabidy of birds that is fortunately 

 rather rare in this country; it is exceedingly difficult to eradi- 



FiG. 28. Scaly Legs (Scabies). 



a, mass of scabs due to dried serum 

 that exudes from injured part; b, scale 

 of leg forced up and out of place by 

 accumulation of dried serum. 



