372 
Journal of Agricultural Research 
Vol. XXIV, No. 5 
TabIv^ IX .—Records and analysis of milk from cows late in lactation 
Colantha. 
Samantha IV. 
Cecile II. 
Fancy III. 
Weight of animal. 
Daily ration: 
Hay. 
1.336 pounds. 
22 pounds.. 
1,196 potmds. 
22 pounds. .... 
730 pounds. 
t6 pounds 
899 pounds. 
20 pounds, 
10 pounds. 
Apr. 21 to 27,1919,. 
25.1 pounds. 
13.00 per cent. 
4.80 per cent. 
3.27 per cent. 
4.19 per cent. 
.74 per cent. 
Grain mixture. 
Milk produced (daily 
average).» 
Milk analysis: , 
Solids (gravimetric).... 
Fat (Babcock). 
Proteids (NX6.2s). 
Lactose (by difference). 
Ash. 
13 pounds. 
Apr. 23 to 30,19x9. 
23.s pounds. 
13.45 per cent. 
4.6s per cent. 
3.52 per cent. 
4.54 per cent. 
. 74 per cent. 
13 potmds. 
Apr. 19 to 25,1919, 
27.7 pounds. 
13.12 per cent. 
4.40 per cent. 
3.18 per cent. 
4.8s per cent. 
.69 per cent. 
8 pounds. 
Apr. 19 to 23, 19x9, 
16.6 potmds. 
15,07 per cent. 
S.80 per cent. 
3-93 per cent. 
4.64 per cent. 
.7.0 per cent... 
^ For the days cream was saved for churning. 
TablF X .—Analysis of feeds 
Hay. 
Cottonseed 
meal. 
Gluten 
feed. 
Wheat 
bran. 
Com feed 
meal. 
Moisture. 
Per cent. 
12.35 
Per cent. 
7 - 50 
Per cent. 
9-32 
Per cent. 
II. 90 
Per cent. 
16. 7<> 
Dry matter: 
Ash. 
6.03 
6. 06 
4. 08 
6. 93 
I- 55 
Protein (NX6.25). 
8. 09 
38-51 
26. 77 
16.44 
10.31 
Fiber. 
30.16 
14.18 
8.49 
II. 84 
2. 38 
Extract matter. 
53 * 07 
34.10 
56.81 
59-31 
84.27 
Fat. 
2. 65 
7 -15 
3-85 
5-48 
1.49 
Tabi<f XI .—Analysis of butter fat from cows fresh in lactation 
Colantha. 
Samantha 
IV. 
Cecile II. 
Fancy III. 
Saponification number (s) .(mgm.J.. 
232. 561 
233. 016 
232. 456 
235 - 335 
Acid number (a).(mgm.).. 
2. 850 
I. 663 
I. 997 
2. 803 
Ether number (e) .(mgm.).. 
229. 711 
231-353 
230. 459 
232. 530 
lodin number. 
Equivalent in oleic acid. . . .(per cent).. 
30. 135 
33 -521 
28. 285 
31- 463 
26. 900 
29. 922 
25- 477 
28.340 
Total fatty acids (T) (1.00—0.00022594 e) 
.(percent 
94.810 
94. 773 
94. 793 
94. 746 
Neutralization number (n) (sIT) 
. 
245. 292 
245. 867 
245. 225 
248.383 
Free fatty acids (A) a/n .(per cent).. 
Soluble fatty acids (5) (T —/)(per cent).. 
Neutralization number... .(mgm.).. 
1.162 
.676 
. 814 
1.128 
7. 668 
8. 008 
7- 382 
8. 601 
513- 641 
505-132 
509. 428 
510. 662 
Insoluble fatty acids (/) by alcoholic 
87.142 
86. 765 
87.411 
86. 145 
Neutralization number_(mgm.).. 
221. 678 
221.939 
222. 913 
222.196 
Stearic acid by crystallization 
„ •••■■ ...fpercentV. 
17- 399 
18. 669 
23- 304 
20. 991 
Glycerol (0. 00054703 e) .(per cent).. 
12. 566 
12. 656 
12. 607 
12. 720 
The percentages of total fatty acids were 94.792 in the Holsteins and 
94.770 in the Jerseys and their neutralization numbers 245.580 and 
246.804 mgm., respectively, indicating a slightly smaller proportion of 
high molecular weight acids in the Jerseys due to Fancy Ill’s fat. The 
