264 



THE BREEDING OF ANIMALS 



of the above figures shows most clearly that even though 

 the carbohydrates were limited, as in the meat meal 

 lots, the increase in protein and ash was such as to mark- 

 edly influence the size and strength of the new-born pigs. 

 That clover and alfalfa should also have a marked effect 

 is logical because these hays are leguminous in character, 

 run high in protein and calcium, and also have an alkaline 

 ash which is probably beneficial." 



EFFECT ON OFFSPRING OF FEED FED PREGNANT SWINE l 

 GILTS. FIVE IN A LOT, 1910-1911 



A similar test with older (yearling) sows confirmed the 

 conclusions from the first investigation. In the latter 

 trial there was evidence that animal protein supplied in 

 meat meal was more efficient than vegetable protein 

 supplied in linseed oil meal. 



252. High calcium rations for pregnant swine. The 

 ordinary rations fed to farm animals in most localities 



1 Evvard, Iowa Academy of Science, Report 1913, p. 326. 



