DISEASES AND TREATMENT OF THE HORSE SOU 



bandage, rub the joint well with acid liniment. If the hole 

 is very large and the bone is injured, it is best to destroy the 

 animal at once. 



32. Tumors and Cancers. 



Thsse are rarely met with in horses, but are quite com- 

 monly so in cattle. For this reason the subject is fully dealt 

 with in Part III. 



33. Curb. 



This is a rupture and enlargement of the ligament that 

 runs down the back part of the hock joint — this ligament re- 

 ceives the name of calcaneocuboid ligament. 



Sound Hock. 2 and 3. Curbs 



Causes. — Horses that have crooked or curby legs are 

 more liable to this than horses with straight legs. It gener- 

 ally results from a severe sprain by slipping while drawing 

 or driving, or from rearing up or backing forcibly with a 

 heavy load or in deep snow. 



Symptoms. — It is easily detected by looking at the hind 

 leg at the side. The enlargement at the back of the hock 

 may be detected by running the hand down over the back of 

 the hock joint. When the curb is first sprung on, the animal 

 is lame, and, in traveling, he steps long, somewhat similar 

 to ringbone lameness. After resting for a day 01 two, and 

 then being driven, at first, he is not very lame, but after driv- 

 ing a while he becomes very lame. When allowed to stand 

 he rests the leg by standing on his toe and throwing the fet- 

 lock forward. After a time the lameness disappears if not 

 treated, but the enlargement remains. 



Treatment. — Get the soreness and lameness out of the 

 ligament by bathing with lukewarm water and salt twice a 



