406 
CHARLES HENRY JEWELL. 
of benefit from a commercial standpoint. Such animals 
are peaceable when at pasture, give a steady flow of milk for a 
period varying from two to five years, and taking on flesh so as 
to be fit for the slaughter at any time. The operation as a fac¬ 
tor in stimulating milk production and increasing the amount 
of butter fat does not hold true in our experiments upon two 
Holstein cows, property of the Cornell University farm, spayed 
November 22, 1899. 
One was nine and the other five years old, both were large 
and in fine condition. The milk from each was weighed from 
day to day, before and after spaying, and tested once a week 
for the percentage of butter fat. 
NO. I, NINE YEARS, CALVED SEPT. 6, 1899. 
The weight of milk for first week 
194-5 
lbs. % butter fat 5.2 
“ “ “ “ second 
4 4 
233-5 
4 4 4 4 4 4 
“ 3-2 
“ “ “ “ third 
< 4 
242.8 
4 4 4 4 4 4 
“ 3.2 
“ “ “ “ fourth 
4 4 
248.5 
4 4 4 4 ft 4 
“ 3-4 
“ “ “ fifth 
< 4 
250 
4 4 4 4 4 4 
“ 2.7 
“ “ “ “ sixth 
< < 
256.6 
4 4 4 4 4 4 
“ 3 
“ “ “ “ seventh 
< ( 
288.8 
4 4 4 4 4 4 
“ 2.9 
“ “ “ eighth 
4 4 
274.2 
4 4 4 4 4 4 
“ 2.8 
“ “ “ “ ninth 
4 4 
268 
4 4 4 4 4 4 
“ 3-2 
“ “ “ “ tenth 
4 4 
268.5 
4 4 4 4 4 4 
“ 2.7 
(. November 22 , Spayed .) 
The weight of milk for eleventh 
week 
217.5 lbs. % butter fat 5 
“ “ “ twelfth 
4 4 
227 
4 4 4 4 4 4 
“ 3 
“ “ “ “ thirteenth 
4 4 
223.4 
4 4 4 4 4 4 
“ 2.9 
“ “ “ “ fourteenth 
4 4 
232.1 
4 4 4 4 4 4 
“ 3-2 
“ “ “ fifteenth 
4 4 
231.8 
4 4 4 4 4 4 
< < Q 
3 -° 
Daily milk production previous and following. 
Nov. 18, 1899 
38.7 pounds. 
“ 19. “ " 
38.6. 
4 4 
“ 20, “ 
39-9 
4 4 
“ 21, “ 
38 
4 4 
“ 22, “ (spayed) 
36.8 
4 4 
4 4 ry -*> 4 4 
18.3 
4 4 
“ 24, “ 
28.5 
4 4 
“ 25, “ 
31-9 
4 4 
“ 26, “ 
33-9 
4 4 
“ 27, “ 
32.6 
4 4 
“ 28, “ 
35-2 
4 4 
