14 
BULLETIN 751, U. S. DEPARTMENT OF AGRICULTURE. 
were maintained for all the experiments. 
these tests are summarized in the tables which follow: 
The data resulting from 
Data of digestion experiments with coarse wheat bran in a simple mixed diet. 
Experiments, subjects, and diet. 
Digestibility of entire ration (per cent) 
Experiment No. 409, subject to D.G.G.: 
Bread made with unground bran...--. 
Feces 
Digestibility of entire ration (per cent)....-|.....-.--- 
Estimated digestibility of bran alone 
(per cent) 
Experiment No. 410, subject A.J.H.: 
Bread made with unground bran 
Feces 
Digestibility of entire ration (per cent) -.... } 
Estimated digestibility of bran alone 
(per cent) 
Experiment No. 411, subject R.L.S.: 
Bread made with unground bran..... 
MOCOSS- fees age tye co meats 
Amount utilized 
Estimated digestibility of bran alone 
(per cent) 
Experiment No. 412, subject O.E.S.: 
Bread made with unground bran 
Digestibility of entire ration (per cent). 
Estimated digestibility of bran alone 
(per cent) 
Constituents of foods. 
Wicignt 
of foods. 
5 Carbo- : 
Water. | Protein. Fat. hydrates. Ash. 
Grams. | Grams. | Grams. | Grams. | Grams. | Grams. 
1, 260. 0 660. 4 55.1 105. 2. 373.3 66. 0 
546. 0 412.2 13.7 5 114.1 5.5 
784.0 707.8 2.0 2.5 70. 2 10K 
199.0 21.9 2.0 169: 1's: Sees 6.0 
ADB O pliers tec, Peale eens eee |e a W425 0c ses tees 
2,931.0 | 1,802.3 72.8 277.3 699. 6 79.0 
PAOD) |Ie See See 50. 4 17.8 140.3 27.5 
Bs eee || ale se 22. 4 259.5 559. 3 51.5 
| . RS 30.8 93.6 79.9 65. 2 
pica: 5S Salads? AGES Ee PA oeeeh AGY AS eke - Be a9 5 
1,107.0 580. 2 48.4 92. 4 328. 0 58. 0 
509 0 384. 3 1h 7 a5 106. 4 5.1 
688. 0 621.1 1b 7/ 252, 61.7 1.3 
233. 0 25. 6 2.3 198; "1 ics. sees ees 7.0 
(GUM eaaemeres | tan aacceoale epee an as iO VSS asec 
2,614.0 1,611. 2 65.1 293. 2 Dial 71.4 
WRK) | -eagEecase 66. 2 32.9 121.6 35.3 
Bie 2 || Ss cae clips 2 Ne aa 260. 3 451.5 36. 1 
Re eer eeu he 88. 8 78.8 50. 6 
Mee, 5 Miele sae (OP Bie AD. Spl. sabes cei 
1,335.0 699. 7 58.3 111.5 
: ls 9.0 
2.0 
1.5 
8 
-0 
.8 
SSSR = 32) see 11.0 92.8 
Be: cee [srettttcte (@) aE 
1,119.0 586.5 48.9 93.4 
507.0 382.8 12.7 om 
586. 0 529.0 1.5 1.9 
66.0 133 0.6 56.1 
DOTS Ota ees Ree ey | ae eed 
2,575.0 | 1,505.6 63.7 151.9 
167.0: lcteneeee 33.9 10.3 
BR Saal eee 29.8 141.6 
CN. (ER Lee 46.8 93.2 
Sa eee. 2 | ee ae BONGO en ee Feae 60.3 
1 Negative results, fecal protein exceeding that in bran eaten. 
