Table 3.
Holstein Dairy Animals Used to Study Rate of Passage for Sand
Particles
Weight
(ke)
Start
End*
Days of
Lactation
Average Milk
Production
(kg/day)**
Average Output
(kg/day) ***
Feces
Urine
Cow
No.
Age
(Years)
123
6
891
848
227
9.6-5.3
27.3
21.8
153
5
832
766
32
22.3-19.1
35.1
32.0
184
4
739
682
159
12.7-8.9
33.2
28.8
241
3
580
553
156
14.6~12.1
28.4
23.1
*Weight after 8 days in metabolism stalls and 9 days in outside pens.
**First number listed is the average milk production before study started,
and the second is for the 7 days in the metabolism stalls.
**k*Averape output while confined in metabolism stalls.
154