353 



AoRrocrLT[jRAL ExPERiMEJNT Station, Ithaca, N. Y. 



lu this experiment the animals of lot I were pigs of a sow fed 

 a oai'bonaceous diet until the birth of the pigs; and the animals 

 of lot II were pigs of a sow fed a nitrogenous ration. These sows 

 were of the same breeding and received the same rations! resj^ec- 

 ti^'ely at lots I and II of the previous experiment. 



Some exj)eiiment8 of this nature have shoAvn that a ration of 

 dear com moal and water did not give the desired results as a 

 carbonaceous ration, because the animal would refuse to eat a 

 sufllicient quantity of the dear meal to give the desired gain. To 

 iiN'oid this ditficulty a little animal nitrogen in the form of m«it, 

 scrap was added to the ration of lot I or the carbonaceous lol. 

 This animal nitrogen \N'as offset by adding scrap beef tallow to 

 the ration. 



The ration of lot I consisted of com meal, twenty-seven pai'ts; 

 beef tallow, two parts, and meat scrap, one part. 



The ration of lot 11 consisted of com meal, two parts; meat 

 scrap, one part; and skim milk. The amount of skim milk fed to 

 lot II varied somewhat from day to day, as the supply varied, so 

 considerable water was dranli by this lot during the experiment. 

 Fresh water was constantly kept in water boxes accessible to each 

 lot during the entire experiment. 



Tables XV and XVI give the amount of food consumed by 

 each lot, with the pounds of digestible constituents and the nutri- 

 tive ratio for each lot. 



Table XV. — Lot I — Carhonaceous. 



Corn meal . 

 Meat scrap. 

 Scrap tallow 



Totals . 



Pounds 



con- 

 sumed. 



870 

 32 

 64 



966 



Protean, 

 pounds. 



67.29 



16.49 



.96 



84.74 



biGESTIBLE. 



Fat. 

 pounds 



26. -51 



4.39 



57.60 



Nitrogen 



free-extract, 



pounds. 



535.99 



Fiber, 

 pounds. 



6.30 



88.50 



535.99 



6.30 



Nutritive ratio, 1 to 9. 



