50 DISEASES OF RABBITS 



The parts should then be dried and the canal 

 filled up with an ointment composed of Un- 

 guentum Hydragyri Nitratis, one dram, olive 

 or almond oil, one ounce; the earflap is also 

 well smeared with the ointment and the dress- 

 ing repeated in three days' time. Should any 

 irritation remain after the second dressing, the 

 parts should be again cleaned up and dusted 

 with boric acid powder. The ordinary sulphur 

 ointment also gives good results if the prehm- 

 inary cleaning up is thoroughly done and the 

 ointment carefully worked into every crevice 

 and cranny of the ear and canal. 



Ringworm 



Young rabbits up to the age of three months 

 of age are often affected with f avus ; older ani- 

 inals are seldom attacked, seemingly being im- 

 mune. The causative agent is the Achorion 

 quinckeanum (Favus of mice) and the Acho- 

 rion schonleinii (Favus of man). Favus is a 

 contagious disease, and the usual precautions 

 as regards isolation and disinfection should be 

 adopted. It is also contagious to man, so that 

 care must be exercised to prevent becoming in- 

 fected. The predilection seats are: the head, 

 ears and paws. The lesions vary in number 

 from one to thirty, and in size from that of a 

 pin's head to that of a dime. The lesions are 

 very typical, occurring as depressed cups cov- 

 ered with a yellow crust, which in old lesions 



