DISEASES OF THE DIGESTIVE ORGANS. 



775 



The symptoms develop slowly. Dullness and distress are 

 among the first sighs. There is swelling of the leflT side of the 

 abdomen, which is not resonant, as it is in Jioven, and it pits on 

 pressure. Later on the symptoms may resemble those of hoven, 

 which sometimes sets in as a complication. (See Fig. 1024.) The 



treatment must be directed to the removal of the impacted mass of 

 food, and to restoring tone to the overdistendedi walls of the rumen. 

 The probang should be passed, to draw off any gas that may have 

 accumulated, and to determine the degree of food distention. When 

 the distention is not great at first, and there are no signs of hoven, 

 a stimulating cathartic should be given :— 



