186 



DISEASES OK POULT KY. 



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 thej' 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 hrvis. 



Treatment. — The treatment of scabies of the 



bod}"^ 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 - 



Fig. SO.—Sarco/'/fS /av/V, var. galliiia-; male, seen iug ingTC" 

 on the ventral surface; luatrnified 200 diameters, j- , , T71r>«' 



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

 lard or vaseline, ]i 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 



