Thirty-six multiparous
Brown Swiss cows were randomly assigned to 1 of 3
treatment groups (n = 12 cows/group): the control (C)
group, in which cows were dried off 56 d before calving
and milked twice daily throughout next lactation
(305 d); the once daily milking (ODM) group, in which
cows were dried off 56 d before calving and milked once
daily for the first 4 wk of lactation and twice daily
for the remaining lactation; and the continuous milking
(CM) group, in which cows were milked twice daily
until calving and also during the subsequent lactation.
Serum glucose concentrations decreased between wk 1
and 4 exclusively in C cows.