SELECTION AND IMPROVEMENT OF DAIRY CATTLE 49 



,';. The marked development of the barrel in proportion 

 to the size of the animal. 



^ high-class dairy cow rarely carries much flesh when in 

 full flow of milk. At the same time her alert vigorous ap- 



Steer at middle of barrel. 



Steer at heart girth. 



Dairy cow at middle of barrel 



Dairy cow at heart girth. 



FIG. 9. Cross section of a fat steer compared with that of a high-class 

 dairy cow. Notice the large abdomen, bony back, and sharp withers of the 

 cow. The skeleton of the steer is more fully covered with flesh. 



