116 INVESTIGATION IN MILK PRODUCTION. 
Feeding commenced with the morning of November 11, 
and continued without any change in feed until the morning 
of February 17th, from and after which a new supply of 
grain was fed and corn fodder was substituted for silage, 
and anew supply of prairie hay of poor quality was used. 
The tables of food consumed and milk and butter fat yielded 
are the daily averages for the eight consecutive weeks—be- 
ginning with December 30thand ending with February 16th, 
except that the records of two cows in groups I and III ex- 
tend from 1 to 3 weeks into the fodder-corn period. 
TABLE XXXIV.—List of Cows. 









NAMHK Age BREEDING Date of Calving Remarks 
Dorrit... 9 Grade Jersey, September 6, 1901, 
Euroma 4. Jersey, October 16, 1901, 
A hoe peconces 3S Brown Swiss, December 14,1901, 
L’ Etoile 12 Jersey, January 19, 1902, 
Topsy 6 Jersey-Holstein, | January 4, 1902, 
Trust 6 Jersey, November 12.1901, 
GWountessi-ccceceeseee 6 Holstein, October 17, 1901. 
Dota eee vcccscscses 9 Oi December 12, 1901, 
1 DEER eno ocoses0 0 LOUOO0G 3 sé November, 1901, 
TEN Bi? WD écoso neces cocoa 3133 Ayrshire, | November18, 1901, 
EVOMSEOME.eceeeeeees 6 Jersey-Guernsey,; November17, 1901, 
PriGl Ore scsre ese cones 6 Jersey, November 29, 1901, 
ID@lLEM Tne atcesc cece: 6 Grade Jersey, Decemter 3, 1901, 
Klondikemcssces- 8 Jersey-Holstein, | April 5, 1901, Aborted, farrow, 
IPSS Sececs asso scseeee se 9 Jersey, January 15, 1902, 
ROS Cieececscreeccccecse 10 Grade Short-Hn.| January 12, 1902, 
ITACKSiyara.messecencees 5 Guernsey, | December12, 14901, 
Weta wn cccescceccuas 3 Jersey, November 6, 1901, 
Eiromallccsccscsee 2 me November 2, 1901, 
IDUCHESS*s-.sceescesene 5 st October 11, 1900, Farrow, 
MCCOM As ccc cccccseees 4 of August 3, 1901, Farrow, 
WS OU seis scelescee cites ee 5 Holstein, February 23, 1901, 
INOW cp ooosponacanadas : ile Grade Jersey, July 28, 1901, 
SHOGEY co eceece nsec 10 Native, July 25, 1901, 
Sweet Briar........ Il%/ Guernsey, December 9, 1901, 
Abr aby ae I esessos on 2 Jersey, December 19, 1901, 

The records of all the cows are not used in the tables be- 
cause in order to make themcomparable they must be under 
fairly similar conditions, especially as to time of lacta'ion; 
for the food or nutriment required for a given product varies 
But after 8 or 
9 weeks they become remarkably constant for an indefinite 
considerably in the early stages of lactation. 
time unless interrupted by a new period of gestation. 
The following tables give the daily average consumption 
of food by the several groups and its dry matter content. 
