78 MAINE STATE COLLEGE # 



one hundred dajs of the experiment, not far from two pounds of 

 digestible food produced one pound of growth, while during the 

 last fifty days, or thereabouts, the ratio was four pounds 

 of digestible food to one of growth. The ratio of the 

 second period stands between those of the first and third. 



(4.) It is worth remarking that certain of the animals, not- 

 ably the Berkshires and Chester Whites, made during the first 

 three months a larger percentage of their entire growth than did 

 the other breeds. The difference, however, is not very marked. 



