

A STUDY OF RATIONS FED TO MILCH COWS. 51 
HERD B.—TESTS 20 AND 23. 
Another herd was studied from January 2 to January 14, 1894, 
and a second test of the same herd was made February 12-24, 
1894, after an interval of four weeks. 
There were 16 cows in the herd tested, 15 of which were in 
both tests. These included 10 grade Jerseys and 5 “natives.” 
The average weight of each cow was 750 pounds. The average 
age was Six years, and at time of first test the average time since 
dropping last calf was three months. None of the cows were 
within six months of again calving. ‘The rations were as follows: 
PHALRY “HERD Bo oDESTS. 20 Anp 23: 
Calculated Per Head of 750 Pounds, Live Weight. 














" DIGESTIBLE NUTRIENTS = 
FEEDING STUFFS. AND FUEL VALUE. 2 oan 
: ules = Wane 
a | ¢ £9) be eee eee be 
5 | 3 Sees Ue eo Oe tae 
. vo +S meee we. Aa ov 
ae Au aes vd = 
Hirst. Test. Lbs.) | bs..Lbs:) Lbs. (Calories) ie Mets pCts ets: 
January 2-14. 12 Days. 
i b | - : 
at ee : ae £02520 4 14.82) -1L, S6Oue Onl Que scOularnes 
(Oatstraw, - | 2.2) | 
| ‘ | | 
< es E ae S710} 6.50 | 13,950.112:40 0,5) 5.3142 
| Oat hay, ie Orgal 
motaltood 9) - — - 197.5 | 1,49) 48) 11.32) 25,800 | $.6)18.6) 9.1) 9.5 
Second Test. 
' February 12-24. 12 Days. 
SN Cob meal, 2) eek | 
Be bran.) > yl 40-1 1.47) 532) 4,04 elt 650 nes Si G.2) 6 Ar oce 
a Gluten meal, - | 2.3 
Oat straw, -| 1.8) 
Hays, } Corn stover, - | 7.3 | 
Be Roe: hay, i ra SATS WG, TONGES 1SOn Toco, On bea Ole eee 
Oat hay, - | 6.9 
Total food, - - {26.0 |2.01).50 10.16 | 24,700| 5.7/18.3) 9.3 | 9.0 
German standard, ~ | — {1.88} .30) 9.38 | 22,200). 5.4) — | — |.— 
Tentative standard, - — |1.88) — — | 23,250] 5.6, —|—]|— 







In both rations coarse fodders are largely used. ‘hese make 
the rations cheaper than if good hay had been used. The use of 
these hay substitutes is to be commended, although they necessi- 
tate the use of concentrated foods rich in protein. ‘The ration as 
