1891.] 



PUBLIC DOCUMENT — No. 33. 



95 



The calculations included in the above summary were 

 based upon the following valuations per ton : — 



2. Eleventh Feeding Experiment with Pigs. 



Breed, medium Yorkshire ; feed, skim-milk, corn meal, wheat 

 bran and gluten meal ; time, Sept. 10, 1889, to March 3, 1890. 



Five pigs, sows, weighing at the beginning of the experi- 

 ment from 18.5 to 21 pounds each, served for our observa- 

 tion. The systematic feeding began Sept. 10, 1889, and 

 closed March 3, 1890, lasting thus 175 days. The live 

 weight gained during that time varied in case of different 

 animals from 160.75 to 178 pounds, with a daily average 

 gain of .97 pound. 



The daily consumption of skim-milk during the entire 

 experiment was limited to 5 quarts per head, with the 

 exception of the first ten days, when but 4 quarts 

 "were called for. Two ounces of corn meal were added to 

 every quart of skim-milk consumed, to complete the daily 

 diet for that period. The additional supply of food needed 

 in consequence of the growth of the animal was composed 

 of a mixture of, — 



j ^ Wheat bran, one weight part. 

 £ Gluten meal, two weight parts. 



beginning with a daily ration of the mixture of 6 ounces 

 per head, and increasing the quantity gradually until it 



