VARYING PROrOUTIONS Ol' A I.i;i M I \( )i i . -n; 



when once the necessary ininiiiuim of nitrou'cnou^ inaiirr in tlir 

 ration had been passed. Tlio rations trd to the vari<.n> lots of 

 pigs were so arranged as to supply vcrv .litVcivnt pn.pc.rtions 

 of nitrogenous and starcliy food. In sonic cases the lood was 

 mainly highly nitrogenous bean or lentil meal, in others veiv 

 starchy barley meal or maize was employed; in another set 



2. 3. 



Nitro^enousSubstance. 



1 Non-nitrogenous Substance 



Fig. 46.— Dry Matter and Nitrogenous Substance consumed per 100 lb. Live-weighl 

 per week. Pigs. 



1. Bean and Lentil Weal, ad lil>. 



2. Maize Meal, limited. Bean and Lentil Meal, ad W>. 



3. Bean and Lentil Meal, limited. Maize Meal, ad l\l>. 



4. Bran, limited. Maize Meal, ad lil>. 



5. Barley Meal, ad UK 

 *5. Maize Meal, ad lil>. 



of experiments, actual starch or su;;ar wa,-. addcil i 

 rations. In all cases the pigs had an (id lihltuni supply ( 

 food or other, so that they could regulate the amount ; 

 some extent the composition of their diet. 



.f on. 

 md'tn 



