58 AGRICULTURAL EXPERIMENT STATION. [Jan. 



ment showed, when including the entire number of pigs on 

 trial (twelve), that 3.39 pounds of dry matter contained in 

 the feed consumed had yielded one pound of dressed pork. 

 In two instances (of the buttermilk diet) from 3.47 to 3.48 

 pounds of dry matter of the feed had been consumed for 

 one pound of dressed pork obtained ; while in two other 

 instances (of the skim-milk diet) from 2.97 to 3.27 pounds 

 of dry matter of the feed had sufficed for the production of 

 the same weight of dressed pork (one pound) . 



As it seemed of interest to learn whether the particular 

 course pursued in the previously described experiments of 

 feeding skim-milk from the home dairy with corn meal could 

 be improved on, and, if so, in what direction, the three sub- 

 sequently descril^ed new . feeding experiments were insti- 

 tuted. The jjrincipal aim of these new experiments ivas 

 to ascei'tain zvhefher a daily diet for pigs, of tdiieli skim- 

 milk and corn meal formed a material portion, would 

 secure better pecuniary returns, in case an exceptionally large 

 proportion of digestible nitrogenous food constituents was fed 

 during the entire experiment. Gluten meal and wheat bran 

 were chosen for various reasons to serve in making up the 

 feed to meet this requirement as soon as our milk supply 

 became exhausted. A short abstract of the results obtained 

 in this connection may be found upon a few succeeding 

 pages. Although not less than four animals have served in 

 each of these five new experiments, our present communica- 

 tion will be confined to a detailed record of but two animals 

 in each case, with the exception of the last experiment (VII.) . 



Third Feeding Experiment (A, B). 



Four animals of a mixed breed were selected for the work ; 

 their respective Aveights varied from 40 to 59 pounds. The 

 daily diet during the first three months consisted exclusively 

 of skim-milk from the Station and of corn meal ; during the 

 remainder of the time (three and a half months) a mixture 

 of equal weights of wheat bran and gluten meal w^as added, 

 to assist in maintaining the desired close relation between 

 the proportion of digestible nitrogenous and non-nitrogen- 

 ous food constituents in the daily food. The relation 

 between these two important groups of food constituents 



