
A STUDY OF RATIONS FED TO MILCH COWS. rey a 
AVERAGE“ DATL YeRATLONY HE RD: P 
Test No. 51. Hay of mixed grasses 7.7 lbs., corn silage 29.9 Ibs., wheat 
bran 3.0 lbs., wheat middlings 5.7 lbs., and Chicago gluten meal 3.0 lbs. 
Test No. 53. Basal: Oat and pea hay 8.3 lbs., corn silage 31.3 Ibs; and 
8.7 lbs. of grain feeds mixed as follows; wheat bran 1,000 lbs., wheat middlings 
400 lbs., cotton seed meal 200 lbs., Chicago gluten meal 100 lbs. Additional 
grain feed: Group B, 1.2 lbs., Group C, 2.1 lbs., and Group D, 2.8 Ibs. of the 
following mixture; cotton seed meal 200 lbs., Chicago gluten meal 125 lbs., 
wheat middlings 100 lbs. ° 
EAB Beas: 
Average weight of food and digestible nutrients fed per cow per 
day, with fuel value and cost, in dairy herd tests Nos. 51 and 53. 
[Average weight of herd 800 lbs. ] 



























: DIGESTIBLE NUTRIENTS AND | 
s FUEL VALUE. | he 
3 Vatheere 
o eos k ates | ® 7 ao a 
KIND OF FOop. 0 ral | + 5 | 2 2 Og g 
Pe ha wees re gy Ey awe Gopad me 
Fagor as ae bois So eel een, deen oe cae ban oy 
SSM pooh ate (ees ah Ve eel e 
First Test No. 51.| tbs. Lbs. Lbs. 1,6..4-1,bs: Lbs. Cal; | i: 1 Cts#) Cts Cts 
Whole Herd. | | 
Concentrated food, |II.7/2.13).41| 4.93] .27) 5.20)15360) 2.9/11.7) 5.2) 6.5 
Coarse food, - - 137.6] .58).25| 5.19|2.60 7-79 16630 14.4 LOU Tete sy eA 
Total food, - |49 32.71 66 10.12/2.87 12.99 31990 5.3122.4 8.513.9 
SEC’ND TEST No. 53. 
Group A. | 
Concentrated food, | 8.7 1.46).36 3.07] .20] 3.27)10320] 2.8} 8.5} 3.9] 4.6 
Coarse food, - - 139.6] .87|.28] 5.16/2.92| 8.08/17830/10.0) 9.7] 4.1| 5.6 
Total food, _- 48.32.83 .64 8.233.1211.36 28150 5.518.2) 8.0)10.2 
Group B. | 
Concentrated food, | 9.9|1.84/.44| 3.44) .22| 3.66,12090| 2.5] 9.9! 4.7] 5.2 
Coarse food, - - |39.6 .87).28, 5.16/2.92) 8.08 17830 10.0| 9.7) 4.1) 5.6 
Total food, - 49.5/2.71).72: 8.603.14/11.74 29920 4.9/19.6 8.810.8 
Group C. 
Concentrated food, |10.8]2.12|.52| 3.71} .23} 3.94'13460) 2.4 TE.Of 5.4 5.6 
Coarse food, - - 39.6) .87).28) 5.16/2.92) 8.08)17830|10.0] 9.7] 4.1] 5.6 
3 ee ee ea 
Total food, - 60.42.99 .80 8.87.3.15 12.02 31290, 4.6/20.7) 9.5 11.2 
Group D. | 
Concentrated food, |11.5/2.35|.56) 3.92) .24) 4.16)14470| 2.3/I1.9} 5.9| 6.0 
Coarse food, - - (39.6) .87).28' §. 16}2..92) 8. 08/1 7830/1O1 OF O17). 4.1). 5.0 
Total food, - (61.13.22 .84 9.083.1612.2432800| 4.4/21.6|10.0)11.6 


