728 



DISEASES OF CATTLE. 



of the coat, a hard, dry cough, shivering, diminution of milk, dry 

 muzzle, hot mouth, scanty, high-colored urine, and tenderness on 

 pressure between the ribs over the lungs. In a few days the breath 

 becomes fetid, the bowels constipated, the cough more frequent and 



troublesome, and the 

 skin is yellow and 

 scurfy, the pulse be- 

 comes full and rapid, 

 numbering 80 to 100 

 beats per minute, and 

 moans of pain accom- 

 pany percussion over 

 the lungs. The animal 

 endeavors to facilitate 

 breathing, by extend- 

 ing the nose and neck 

 in a straight line, the 

 elbows being turned 

 out, the back arched, 

 and the hind legs drawn 

 up under the body. 

 (See Fig. 947.) Later 

 on a watery, and some- 

 times purulent, dis- 

 charge flows from the 

 eyes and nose, obsti- 

 nate constipation may 

 be succeeded by a thin, 

 fetid diarrhea, the ex- 

 tremities, ears, and 

 horns are cold, the 

 tongue is clammy, the 

 animal grows weaker 

 and weaker, and at 

 length dies. 



In the early stages of 

 the disease, percussion 

 of the chest gives a 

 clear and resonant sound ; later, the sound will be dull and heavy, 

 on one or both sides, according to the extent of the lung affected. 

 If both lungs are affected, the animal almost invariably dies. 



No reliable treatment for this disease is known, hence we do 



Fig. 949.— Lower Jaw of Cow in Rinderpest, 



