450 MANUAL OF FABM ANIMALS 



never regains its consistency and after a time sloughs off, leaving 

 a slow healing sore. In such cases, physicking the animal and 

 treating the udder are of no avail. There seems to be a relation 

 between the disease and the food supply. The grain part of the 

 ration seems to have been increased too rapidly immediately 

 after lambing. When the grain ration was increased more 

 slowly and when it contained oats and Unseed meal, no such diffi- 

 culty was experienced. From this it would seem that the treat- 

 ment should be prevention by increasing the grain ration slowly 

 after lambing. 



