Methods of Feeding on Forage 



215 



use of old com and a maximum use of new corn. Pigs 

 farrowed March 1st will ordinarily reach market weights 

 six weeks before pigs farrowed April 1st. With the best 

 grade of pigs and abundant forage, even April pigs will 

 frequently make the gains which will enable their market- 

 ing direct from the forage field. 



In total feed consumed, the results show a saving of 

 more than a bushel of corn for each pig by feeding full 



Fia. 11. — Monthly price fluctuations of No. 2 com on Chicago market, 



1903-1914. 



or three-fourths full rations while on forage than when a 

 half ration or less was given. The total feed consumed 

 in the different systems of feeding does not, however, 

 give a reliable basis for the determination of the feed 

 cost of production, since new com is cheaper than 

 old. For this reason, the actual cost for the limited- 

 fed pigs is less than these figures by themselves would 

 suggest. 



