286 



THE VETERINARY SCIENCE 



allow the matter to run out, then bathe, as above mentioned 

 and pour hot green salve directly into the hole. When the 

 discharge of matter smells very bad, and the bone is likely 



Fig. 48. — Fistulous Withers. 



to be diseased, throw the animal, cut down to the diseased 

 bone, scrape it and then treat with green salve by pouring it 

 into the cut twice a day after bathing. Both this disease and 

 poll evil, in bad cases, are tedious to treat. When dressing 

 the wound put a twitch on the horse's nose if he is very ugly. 

 If there is a thickening after the parts heal, rub with acid 

 liniment, applying it every third day after bathing with luke- 

 warm water and salt until the thickening is gone. 



6. Sweeny (Shoulder Slip). 



This is more commonly met with in young than in old 

 horses. 



Causes. — It is the result of bruising the muscles of the 

 shoulder in some manner. This may be done when a plow 

 strikes a stone, causing a sudden jerk, or when the wagon 

 strikes a stone, causing the tongue to swing violently to one 

 side, resulting in injury from it or the neckyoke. 



Symptoms. — These are well marked. As soon as the 

 horse receives the injury there is a slight swelling and sore- 

 ness of the part, followed by a wasting away of the muscles 

 that are injured. It is generally the muscles lying over the 

 shoulder blade that become affected with this disease, and in 

 some cases the muscles fall awav until there is a larp^ hollow 



