12 



BULLETIN" 310, U. S. DEPARTMENT OF AGRICULTURE. 



ton, and found that the average digestibility of the fat in the ration 

 was 98.5 per cent. His investigation was carried out, however, 

 under conditions very different from those herein reported, as he 

 included in the basal ration large amounts of meat. 



A total of seven tests, each of three days' duration, was made with 

 a diet containing a large quantity of mutton iat, and conditions paral- 

 lel to those of the previous work were maintained throughout the 

 experimental periods. The results are given below: 



Data of digestion experiments with mutton fat in a simple mixed diet. 





Weight. 



Water. 



Protein. 



Fat. 



Carbohy- 

 drates. 



Ash. 



Experiment No. 93, subject R. L. S.: 



Blanc mange containing mutton fat. . . 



Grams. 



1, 581. 2 

 467.1 

 635.5 

 49.2 



Grams. 



798.0 



39.7 



552.2 



Grams. 



26.7 



62.6 



5.1 



Grams. 



120.7 



5.1 



1.3 



Grams. 



628.7 



352.2 



73.7 



49.2 



Grams. 

 7.1 

 7.5 



Fruit 



3.2 



















2, 733. 

 100.7 



1, 389. 9 



94.4 

 24.4 

 70.0 



127.1 

 34.2 

 92! 8 



1, 103. 8 



32.8 



1,071.0 



17.8 





9.2 







8.5 

















74.1 



73.0 



97.0 



48.0 











Experiment No. 94, subject I. D. B.: 



Blanc mange containing mutton fat . . . 



1, 895. e 



592.4 



1,397.0 



80.2 



956.7 



50.3 



1,214.0 



32.0 

 79.4 

 11.2 



144.6 

 6.5 



2.8 



753.7 

 446.7 

 162.0 

 80.2 



8.6 

 9.5 



Fruit 



7.0 



















3,965.2 

 108.8 



2,221.0 



122.6 

 27.5 

 95.1 



153.9 

 29.8 

 124.1 



1, 442. 6 



42.0 



1, 400. 6 



25.1 





9.4 







15.7 

















77.5 



80.6 



97.1 



62.5 











Experiment No. 95, subject W. D.: 



Blanc mange containing mutton fat . . . 



960.7 



262.0 



1,363.5 



32.3 



484.9 



22.3 



1, 184. 9 



16.2 

 35.1 

 10.9 



73.3 

 2.9 



2.7 



382.0 

 197.5 

 158.2 

 32.3 



4.3 



4.2 



Fruit 



6.8 



















2.618.5 

 79.6 



1, 692. 1 



62.2 

 18.7 

 43.5 



78.9 

 21.7 

 57.2 



770.0 

 30.1 

 739.9 



15.3 





9.0 







6.3 

















69.9 



72.4 



96.1 



41.2 











Experiment No. 96, subject E. M.: 



Blanc mange containing mutton fat . . . 



2, 360. 8 



366.4 



1, 482. 3 



82.2 



1, 191. 5 

 31.1 



1, 288. 1 



39.9 

 49.1 

 11.9 



180.1 

 4.0 

 3.0 



938.7 

 276.3 

 171.9 

 82.2 



10.6 

 5.9 



Fruit 



7.4 



















4,291.7 

 132.6 



2,510.7 



100.9 

 35.4 

 65.5 



187.1 

 33.7 

 153.4 



1, 469. 1 



51.0 



1, 418. 1 



23.9 





12.5 







11.4 

















64.9 



82.0 



96.5 



47.7 











Experiment No. 131. subject D. G. G.: 

 Blanc mange containing mutton fat . . . 

 Wheat biscuit 



1, 508. 

 765.0 



1, 042. 

 122.0 



697.3 

 65.0 

 905.5 



29.2 



102.5 



8.3 



218.1 

 8.4 

 2.1 



556.9 

 576.8 

 120.9 

 122.0 



6.5 

 12.3 



Fruit 



5.2 



Sugar 















Total food consumed 



3, 437. 

 122.6 



1, 667. 8 ■ 



140.0 

 32.0 

 108.0 



228.6 



26.9 



201.7 



1,376.6 



52.0 



1,324.6 



24.0 



Feces 



11.7 



Amount utilized 





12.3 











Per cent utilized 







77.1 



88.2 



96.2 



51.2 











