20 BULLETIN" 470, U. S. DEPARTMENT OF AGRICULTURE. 
Summary of digestion experiments with corn bread in a simple mixed diet. 
Experiment No. 
Subject. 
Protein. 
Carbohy- 
drates. 
231 
D. G. G 
Per cent. 
56.3 
70.1 
53.2 
Per cent. 
95.1 
232 
R.L. S 
0. E. S 
97.2 
233. . . 
96.2 
Average 

59.9 
96.2 
Data of digestion experiments with wheat bread in a simple mixed diet. 
Weight. 
Water. 
Protein. 
Fat. 
Carbohy- 
drates. 
Ash. 
Experiment No. 226, subject D. G. G.: 
Grams. 
2, 035. 
478.0 
904.0 
307.0 
193.0 
Grams. 
823.4 
353.7 
813.6 
33.8 
Grams. 
155.1 
14.3 
2.7 
3.1 
Grams. 
110.1 
Grams. 
890.2 
105.2 
83.2 
Grams. 
56.2 
Potato 
4.8 
2.7 
260.9 
1.8 
Butter 
9.2 
193.0 
Total food consumed 
3,917.0 
153.0 
2,024.5 
175.2 
48.4 
126.8 
373.7 
13.7 
360.0 
1,271.6 
74.7 
1, 196. 9 
72.0 
16.2 
55.8 
72.4 
96.3 
94.1 
77.5 
Estimated digestibility of bread alone 
(per cent) 
73.0 
93.6 
Experiment No. 227, subject R. L. S.: 
Wheat bread 
1, 807. 
509.0 
909.0 
192.0 
121.0 
731.0 
376.6 
818.1 
21.1 
137.8 
15.3 
2.7 
1.9 
97.8 
790.5 
112.0 
83.7 
49.9 
Potato 
5.1 
2.7 
163.2 
1.8 
Butter 
5.8 
Sugar 
121.0 
Total food consumed 
3, 538. 
71.0 
1,946.8 
157.7 
22.1 
135.6 
263.7 
9.1 
254.6 
1, 107. 2 
31.3 
1,075.9 
62.6 
Feces 
8.5 
Amount utilized 
54.1 
I 
86.0 
96.5 
97.2 
86.4 
Estimated digestibility of bread alone 
■ 1 
88.8 
98.1 
Experiment No. 228, subject 0. E. S.: 
Wheat bread 
2,137.0 
591.0 
880.0 
262.0 
313.0 
864.6 
437. 4 
792.0 
28.8 
163.0 
17.7 
2.6 
2.6 
115.6 
934.8 
130.0 
81.0 
59.0 
Potato 
5.9 
Apple sauce 
2.6 
222.7 
1.8 
Butter 
7.9 
313.0 
Total food consumed 
4,183.0 
200.0 
2, 122. 8 
185. 9 
61.8 
124.1 
340.9 
30.5 
310.4 
1, 458. 8 
84.6 
1,374.2 
74.6 
Feces 
23.1 
51.5 
66.8 
91.1 
94.2 
69.0 
Estimated digestibility of bread alone 
66.4 
93.2 
Experiment No. 229, subject R. F. T.: 
1,401.0 
346.0 
882.0 
154.0 
220.0 
566.8 
256.0 
793.8 
17.0 
106.8 
10.4 
2.7 
1.5 
75.8 
612.9 
76.1 
81.1 
3S.7 
Potato 
3.5 
Apple sauce 
2.6 
130.9 
1.8 
Butter . 
4.6 
220.0 
Total food consumed 
3, 003. 
92.0 
1,633.6 
121.4 
26.0 
95.4 
209.3 
15.6 
193.7 
990.1 
38.2 
951.9 
48.6 
12.2 
36.4 
78.6 
92.5 
96.1 
74.9 
Estimated digestibility of bread alone 
81.0 
96.4 
Average food consumed per subject 
1,220.1 
644.0 
53.3 
99.0 
402.3 
21.5 
