56 SPECIAL CATTLE THERAPY 



in the morning; an hour later we give two drams of 

 potassium iodid in aqueous solution. At noon an- 

 other ounce of Fowler's solution and an hour later 

 another two-dram dose of the iodid. The same is 

 done at night. This performance is kept up for a 

 week or ten days; the swellings are usually disap- 

 pearing by this time and the general aspect of the 

 case is favorable in appearance. For a few days 

 from noAV on the Fowler's solution and potassium 

 iodid are given only at noon, and the morning and 

 evening medication now consists of tonics; nux vom- 

 ica, gentian ; iron and quinin with strychnin ; or 

 other tonics with which the attending veterinarian is 

 familiar. When four or five days have passed in this 

 manner the Fowler's solution and potassium iodid are 

 discontinued altogether, and the tonics alone are kept 

 up for a few days more. 



The cow should be stabled for such time until she 

 is again in good condition, when she may ])e turned 

 on grass. Most cases occur in spring; good grazing 

 after an attack aids materially in building the cow up. 



ENZOOTIC DYSENTERY 



This is an infectious form of dysentery whicli af- 

 fects cattle in the northern half of the United States, 

 being most common in the north central states. 



The disease makes its appearance in the winter 

 months and in early spring. It seldom covers large 

 areas; usually only a township or two is invaded. 



Animals of all ages are attacked; sex, condition, and 

 breed exert no influence on the disease. It affects 

 sucking calves and aged cows, as well. A character- 

 istic trait of this disease is the fact that in nearly 



