186 



DISEASES OF POULTRY. 



the end of the quill which contains a number of the 

 parasites. 



The general health of the birds is apparently not 

 disturbed. They remain in good flesh, and continue 

 to lay as though they were not affected. It seems 

 probable that much of the irregular molting, feather 

 pulling and feather eating are due to the irritation 

 caused by the Sarcoptes Itsvis. 



Treatment. — The treatment of scabies of the 



body is not 

 very difficult 

 but must be 

 persisted i n 

 until a cure is 

 effected. Hel- 

 merich's oint- 

 ment is usually 

 recommended. 

 A modified 

 form more 

 suitable for 

 use on the 

 bodies of birds 

 may be pre - 

 pared by thor- 

 oughly mix- 

 ing the follow - 

 ing i n gre - 

 dients : Flow- 

 ers of sulphur, 1 dram, carbonate of potash, 20 grains, 

 lard or vaseline, yi ounce. This ointment should be 

 rubbed over the affected portions of the skin and the 

 adjacent parts. In place of this there may be substi- 

 tuted creolin or carbolic ointment, made by mixing 



Y\g. SO.—Sarcofites lavi's. Tar. gallinie; male, seen 

 on the ventral surface; raag-nified 200 diameters. 



