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The Pig Versus the Feeding Standard,—Further Progress

Iowa Agricultural Experiment Station

Abstract

It may be well to briefly summarize a previous paper which was the first report of the particular experiment to be discussed in this paper. During the 150 days following weaning time the pigs fed according to the various feeding standards (see pages 36 to 48 of these proceedings for the methods of feeding and details) so developed that the following points were quite clearly brought out:

1. The most rapid gains in every instance were made by those pigs which were fed according to the "Free-Choice" System of Swine Feeding. The more often they were fed, that is where they were "self-fed" or "fed three times daily," they made better gains than where "fed twice a day." Where buttermilk was added in limited quantity to the check basal ration of shelled corn, wheat middlings, meat meal tankage, and various condiments, the gain was a bit more rapid.
   
2. Of the feeding standards, the one permitting the most rapid gains was the Illinois or Dietrich, the gains in this group being considerably more rapid than where the pigs were fed according to the Kellner or Wolff-Lehmann systems.
   

^* With the collaboration and assistance of Russell Dunn, Assistant in Animal Husbandry, Milton H. Scott, G. Bohstedt, Assistants, and G. O. Smith and F. A. Hays, Graduate Students, Iowa State College.