180 



160 



14-0 

 60 

 50 

 40 

 30 



0-10 



V 



Food eaten 



Nitrogen balance 



0=tj- 



JWjfmfrn - 



E 



(0 



i_ 

 o 



-0-10 



340 



320 



300 



280 



260 



80 



20 40 60 60 100 120 140 160 



Days 

 Chart II. "Control" Rat xn fed on Dog Biscuit-Lard Diet for 147 days. 



60 



0.05 



0|=1 



in 



E 



(0 



t_ 



-0-10 



20 



40 



60 



120 



140 160 



80 100 



Days 

 Chart III. "Control" Rat xm fed on Dog Biseuit-Lard Diet for 147 days 



