DISEASES OF HORSES AND CATTLE. 273 



if there is any matter it will escape. Then probe 

 the opening at the top to find the depth and direc- 

 tion. Take a grain of the bichloride of mercury 

 and roll it up in tissue paper into a cone and press 

 it down to the bottom. Serve all the openings in 

 this way. Put the foot into a bag to protect it 

 from injury and let it alone for three days, then 

 clean out the openings and put in some more of 

 the bichloride of mercury, and so on for two weeks, 

 or until the parts become healthy and the hard 

 swelling has decreased; then make up a bath of 

 chloride of zinc one ounce, water one gallon; put 

 the foot in this twice a day for twenty minutes at 

 a time. As soon as the openings are healed blister 

 the coronet with cantharides two drams, lard one 

 ounce; repeat in two weeks if necessary. When it 

 is time to put on the shoe and work the horse, a bar 

 shoe will be best. If the animal has much fever 

 in the early stages of the disease give a dose of 

 aloes, and follow this by giving half an ounce of 

 nitrate of potassium twice a day in mash. Later in 

 the disease give a teaspoonful of sulphate of iron 

 once daily in bran mash as a tonic. 



SORE FEET IN CATTLE. 



Cattle are occasionally affected with sore feet, 

 by hard substances getting impacted between the 

 hoofs. This happens often in towns and where the 

 cinders from coal fires have been put in the yard, 

 this substance getting in between the claws into 

 the soft parts, causing inflammation, suppura- 

 tion and great lameness. The cinders should never 



