FEEDING FOB E&O- PRODUCTION 



211 



the nutritive ratio, using the totals from the above table, 



may be represented as follows : 



Table IV. Formula for Determining the Nutritive Ratio. 



Total fat. Heat equivalent. Total Nitrogen-Free Second factor 



Extract. of nutritive ratio. 



.457 X 2H + 4.05 



= 4.6 



1.101 

 Total protein 



EGG LAYING RATION 

 There is no best ration for all conditions, as many grains 

 can be fed interchangeably, depending on their availability, 



Figure 208. — The amount of feed consumed by a Rhode Island Red and eggs 

 produced. 



composition and price. As in the case of mash feeds the 

 more simple grain mixtures, composed of home grown 

 grains, will prove more profitable and produce eggs at less 

 cost than complicated mixtures composed of eight or ten 

 grains. All the following rations have been used with satis- 

 factory results at the Government Experimental Farm at 

 Beltsville, Md. In making a selection one should choose 

 the ration most suitable to local conditions, and one that is 

 most economical. Feeds not given in these rations may 



