Dec. 3, 1917 
Fatness of Cattle and Feed Utilization 
467 
Table 2 .—Digestibility of rations —Continued 
Period and feed. 
N.-free 
extract. 
Ether 
extract. 
Total 
nitrogen. 
Carbon. 
Energy. 
Period 1: 
Alfalfa hay. 
Gm. 
657.2 
128. 3 
405. 6 
1,613. 7 
Gm. 
30-3 
28. 0 
30. 6 
85.1 
Gm. 
38-9 
22. 3 
19. O 
3 i- 7 
Gm. 
679.1 
165.4 
296.9 
907.7 
Calories. 
6, 549 - 35 
1, 690. 39 
2,976. 7 ° 
8, 813. 63 
Cottonseed meal. 
Wheat bran. 
Maize meal. 
Total fed. 
2, 804. 8 
400. 1 
174.0 
30-9 
in. 9 
27. 8 
2, 049- 1 
488.6 
20,030. 07 
4 , 895. 44 
Feces. 
Digested. 
2,404.7 
8S- 74 
143 - 1 
82. 24 
84. 1 
75 -16 
i, 5 6 °- 5 
76. l6 
15. J 34 - 63 
75 - 56 
Per cent digested. 
Period 2: 
Alfalfa hay. 
3 ° 9 - 7 
262. 4 
835-6 
3 , 309 ■ 7 
56. 0 
56 . 4 
64. 5 
170. 1 
75-9 
45-4 
39 - 7 
65 - 5 
1, 393 - 6 
334 -1 
617.4 
1,838. 0 
13,402. 54 
3 , 414 - 42 
6,159. 01 
17,910. 55 
Cottonseed meal. 
Wheat bran. 
Maize meal. 
Total fed. 
5 5 7 i 7-4 
940. 2 
347 -o 
70. 8 
226. 5 
64.9 
4, 183. 1 
1,086. 8 
40, 886. 52 
10,879. 01 
Feces. 
Digested. 
4 , 777 - 2 
8 3 - 56 
276. 2 
79. 60 
161. 6 
7 i -35 
3 >096- 3 
74.02 
30, 007. 51 
73 - 39 
Per cent digested. 
Period 3: 
Alfalfa hay. 
1, 509. 6 
299.4 
958.3 
3, 769. 8 
79.8 
7 °- 5 
79 - 2 
192. 6 
89. 2 
56.4 
45. 2 
74-9 
1,584.1 
391-9 
7 ° 7 - 3 
2,100. 5 
15,220. 3 
4, 041. 3 
7, 042. 4 
20,399. 8 
Cottonseed meal. 
Wheat bran. 
Maize meal. 
Total fed. 
6 , S 3 7 -1 
3 IS -7 
422. 1 
12.8 
265.7 
14. I 
4, 783. 8 
2 34-3 
46, 703. 8 
2, 287. 0 
Refused. 
Total eaten. 
6,221. 4 
997-3 
409-3 
64. 1 
251. 6 
75-9 
4 , 549 - 5 
1,156. 2 
44,416. 8 
11,494. 1 
Feces. 
Digested. 
5,224.1 
83.96 
345 - 2 
84-34 
175-7 
69.83 
3 ? 393-3 
74-59 
32 , 922.7 
74 . 12 
Per cent digested. 
Period 4: 
Alfalfa hay. 
754-9 
149- 7 
479. 2 
1,884. 9 
39-9 
35 - 2 
39-6 
96-3 
44- 6 
28. 2 
22. 6 
37 - 5 
792. 2 
195-9 
353-7 
1,050. 3 
7,611. 2 
2, 020. 4 
3,521.2 
10,200. 1 
Cottonseed meal. 
Wheat bran. 
Maize meal. 
Total fed. 
3,268.7 
a6 <. 8 
2 11. O 
28 . A 
132.9 
32. 2 
2,392. 1 
57 1 - 0 
2 3 > 35 2 - 9 
5 , 7 ° 4 - 0 
Feces. 
Digested. 
1 
2, 802. 9 
85 - 75 
172. 6 
8l. 80 
100.7 
75 - 77 
1, 821. 1 
76.13 
17,648. 9 
75 - 57 
Per cent digested. 
URINARY EXCRETION 
The collection was made with a urine funnel in the usual manner. 
There were occasional losses which were taken up with distilled water, 
and weighed and analyzed separately. The weights given in the Table 3 
include the water used to rinse out the urine funnel and tube. There is a 
23716°—17 - 2 
