Nov. 4. 1918 Net Energy Values of Alfalfa Hay and Starch 



273 



this period appear somewhat exceptional in other respects also, and the 

 mean digestibility, excluding period 3, is therefore included in the table. 



URINARY EXCRETION 



From the results for the urinary excretion contained in Table 2 of the 

 Appendix the following averages are derived. Table VI shows both the 

 energy of the urine as actually determined and also with a correction of 

 7.45 Calories per gram for the gain or loss of nitrogen by the body. 



Table VI. — Average daily excretion in urine 



GASEOUS EXCRETION 



The excretion of water vapor, carbon dioxid, and methane for each day 

 is recorded in Table 4 of the Appendix. The average results for each 

 period were as follows : 



Table VII. — Average daily gaseous excretion 



