24 DISEASES OF HORSES AND CATTLE. 



two. Dilatation of tin 1 salivary duel is sometimes 

 seen to the horse The duct from the parotid 



gland sometimes -vis closed np by a grain of oats 

 or other grain getting into the mouth of the duct, 

 which opens into the mouth at the third molar 

 tooth. Symptoms of this is a swelling on the side 

 of the cheek about half way between the nose and 

 the eye; it is soft to the touch. Examine the in- 

 side of the cheek, and if there is anything in the 

 mouth of the duct remove it and pass a probe up it 

 and the accumulated fluid will run out. Some- 

 times by pressing gently on the enlarged duct to- 

 wards the mouth it may force it out. I have suc- 

 ceeded in removing it in this way. If all other 

 means fail, open it with the knife and remove the 

 cause, and bring the edges of the wound together 

 by putting a pin through them and tying a thread 

 around the pin, letting it remain in until it sloughs 

 off. If any swelling should take place foment it 

 with hot water and apply acetate 4 of lead, half an 

 ounce; tincture of arnica, two ounces; water, one 

 quart. 



Salivary Fistula. — From accident an opening is 

 made into the salivary duct and allows the saliva 

 to run down the cheek, matting the hair as if gly- 

 cerine had been rubbed on. Treatment. — Shave 

 off the hair and put on strips of collodion or ad- 

 hesive plaster three or four layers deep. Keep all 

 solid food from the animal for at least twenty-four 

 hours. Lei the plaster remain on as long as it will, 

 and if not stopped when it comes off, apply again. 

 If this fails, rub on cantharides, two drains; lard, 



