344 MANUAL OF FARM ANIMALS 



In the cases in which the germs are found ia the saliva they are 

 left in the watering troughs, on the bottom of the mangers, on 

 the grass, on other animals when Hcked by diseased ones, and 

 in fact spread wherever the diseased animal goes. If the dis- 

 ease happens to be in the glands of the intestinal walls, the germ 



Fig. 102. — Devon Bull "Darks Majesty." Owned by Stockwell and 

 Gifford, Sutton, Mass. 



The Devon cattle originated in the counties of Devon and Somerset, England. 

 They are variously classified, sometimes as beef cattle, at other times as dual- 

 purpose animals. They tend more toward beef than milk. The animals 'are 

 symmetrical and trim. In size the bulls weigh from 1500 to 2000 pounds, the 

 cows from 1300 to 1500 pounds. The color is red, although the shade is 

 often light. 



escapes with the dung. If the glands of the udder are diseased, 

 the germ passes out with the milk. If the disease is located 

 in the glands of the skin, the germs may escape through the 

 openings of the skin. 



When the germs have escaped into the watering troughs, 

 mangers, on the grass, and the like, they are readily taken up by 



