412 The Feeding of Animals 



the larger the ratio of increase to body weight and the 

 greater the increase for each unit of food consumed. 

 Some of the more striking evidence on these points 

 is presented in the following figures: 



Results with steers from Jive breeds slaughtered at the Smithfield 

 (England] Fat-Stock Show (from Henry's compilation) 



Age Number animals Daily gain 



One year old 77 2.00 Ibs. 



Two years old 89 1.76 " 



Three years old 54 1.58 " 



Steers at American Fat- Stock Show (Stewart's compilation) 



Age Number animals Daily gain 



297 days 30 2.6 Ibs. 



612 " 152 2.2 " 



943 " 145 1.7 " 



1,283 " 133 1.5 " 



American experiments with pigs (Henry's compilation) 



Weight of pigs Number feeding trials Food for 100 Ibs. gain 



38 Ibs. 41 293 Ibs. 



78 " 100 400 " 



128 " 119 437 " 



174 " 107 482 " 



227 " 72 498 " 



271 " 46 511 " 



320 " 19 535 " 



Results of Danish experiments with pigs 



Weight of pigs Number experiments Food for 100 Ibs. gain 



35 to 75 Ibs. 3 376 Ibs. 



75 to 115 ;< 10 435 " 



115 to 135 " 13 466 " 



155 to 195 " 15 513 " 



195 to 235 " 14 540 " 



235 to 275 " 11 614 " 



275 to 315 '* 3 639 " 



