DISEASES OF HORSES 143 



Hock is inflamed on back side and a bunch soon forms in seat of inflamma- 

 tion ; sometimes lameness. Curb, Page 162. 



Hock joint has a puffy swelling on front part. Bog Spavin, Page 158. 



Hind-leg jerked up spasmodically when horse walks. Stringhalt, Page 178. 



Hindquarters lame and stiff; trembling of the muscles; profuse perspiration; 

 difficulty in moving; often hind parts go down before horse can be moved 

 to stable ; muscles swollen and rigid ; animal makes unsuccessful efforts 

 to get up ; urine dark in color. Azoturia, "Page 152. 



Inflammation at back part of hock followed by a bunch on the part; some- 

 times lameness. Curb, Page 162. 



Itching severely ; skin rough and scaly ; hair comes off in patches. Usually 

 affects the head and neck first. Mange, Page 170. 



Jaw held shut by firmly contracted muscles; impossible to eat; sweats pro- 

 fusely ; muscles hard ; head elevated ; nose protrudes ; easily excited ; 

 "haw" drawn across corner of eye ; horse usually stands. Lockjaw, 

 Page 169. 



Joint at the fetlock held forward past its normal position. Knuckling, Page 

 169. 



Joint swollen following a wound on the leg in which there is a slippery fluid ; 

 joint inflamed; horse becomes very lame; fever; loss of appetite; intense 

 pain ; as the inflammation increases the fluid becomes darker and may 

 contain pus. Open Joint, Page 170. 



Knuckling forward at fetlock-joint throwing the joint forward past its nor- 

 mal position. Knuckling, Page 169. 



Lameness and some inflammation at back part of hock, followed by a bunch or 

 thickening of the part. Curb, 'Page 162. 



Lameness, and tenderness, more noticeable when foot hits a hard object; 

 slight discharge of foul smelling pus from crack in horny frog; hoof 

 dry ; heel feverish. Thrush, Page 180. 



Lameness improving with exercise ; soreness and small swelling just at 

 the bottom and inside the hock joint towards the front; holds foot for- 

 ward bending hock joint when standing. Bone Spavin, Page 158. 



Lameness severe at first ; pus discharged over top of hoof. Gravel. 



Lameness, severe; crack in the wall of the hoof extending downward or 

 upward. Quarter Crack, Page 172. 



Lameness severe especially when on hard roads; leg held loose when stand- 

 ing; dark spot found where corn is located. This spot generally con- 

 tains pus and causes pain when pushed. Corns, Page 161. 

 Lameness severe; pastern joint swollen, heated, tender; bony bunch' usually 



on side of joint. Ringbone, Page 173. 

 Lameness sometimes; small swelling on inside of fore leg. Splint, Page 



176. 



Lameness that is worse when exercised ; coffin-joint is not bent when walking; 

 stands on toes when possible; excessive pressure produces pain; points 

 affected foot out when standing. Coffin-joint Lameness. 

 Leg enlarged; glands inside of the leg swollen and sore; manipulation of 

 leg causes pain ; chills followed by fever. Big Leg, Page 153. 



