QUESTIONS AND ANSWERS 205 



The psoroptes live pn the surface of the skin, eat wool, irritate 

 and cause the animal to hite and pull out the wool. 



The sarcoptes burrow under the skin and produce itching and 

 scabs. 



Give the prevention and treatment of acariasis. 



Quarantine regulations; separation of well from affected; thor- 

 ough disinfection ; dipping and isolation of newly-purchased animals 

 until known to be free from scabies. 



Treatment : Lime and sulphur dips, and a tobacco and sulphur 

 dip are recommended by the B. A. I., Dept. of Agriculture. Coal- 

 tar products such as creolin, creosote, etc., have given good results. 



Give the causes, symptoms and treatment of the disease commonly 

 termed " hunger mange." 



This is another name for chronic squamous eczema. 



Causes: Insufficient nourishment, faulty sMn hygiene, tender 

 sMn, nervous temperament, chronic wasting diseases, may foUow 

 acute eczema. Long administration of iodides is sometimes followed 

 by this condition. 



Symptoms: Poor condition, dry lustreless hair which contains 

 bran-like scales of epidermis ; falling out of the hair ; itching ; skin 

 becomes thickened and occasionally papules and vesicles are seen. 



Treatment : Correct the internal disorders ; give tonics, arsenic ; 

 careful grooming, and bathing with non-irritating soap. Feed gener- 

 ously with nourishing foods. 



