MATERIALS AND METHODS
Herds and Cows
During the period from May 2008 to May 2009, a longitudinal
field study was conducted on 6 Flemish dairy
herds (herds A to F). Farms were well-managed and
had comparable characteristics reflecting the general
situation on Flemish dairy farms. An overview of herd
and management characteristics of each farm is given
in Table 1. The mean herd size was 70 Holstein cows
(range 49 to 87) with an average production of 9,368 kg
of milk/cow per year (range 7,147 to 11,665 kg) and an
average bulk milk SCC of 137,725 cells/mL milk (range
85,615 to 202,154 cells/mL). On all 6 farms, cows were
housed in freestalls with slatted floors and sawdustbedded
cubicles. Sawdust bedding was removed 2 to 3
times a day and replaced by fresh sawdust from a stock
MATERIALS AND METHODS
Herds and Cows
During the period from May 2008 to May 2009, a longitudinal
field study was conducted on 6 Flemish dairy
herds (herds A to F). Farms were well-managed and
had comparable characteristics reflecting the general
situation on Flemish dairy farms. An overview of herd
and management characteristics of each farm is given
in Table 1. The mean herd size was 70 Holstein cows
(range 49 to 87) with an average production of 9,368 kg
of milk/cow per year (range 7,147 to 11,665 kg) and an
average bulk milk SCC of 137,725 cells/mL milk (range
85,615 to 202,154 cells/mL). On all 6 farms, cows were
housed in freestalls with slatted floors and sawdustbedded
cubicles. Sawdust bedding was removed 2 to 3
times a day and replaced by fresh sawdust from a stock
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MATERIALS AND METHODS
Herds and Cows
During the period from May 2008 to May 2009, a longitudinal
field study was conducted on 6 Flemish dairy
herds (herds A to F). Farms were well-managed and
had comparable characteristics reflecting the general
situation on Flemish dairy farms. An overview of herd
and management characteristics of each farm is given
in Table 1. The mean herd size was 70 Holstein cows
(range 49 to 87) with an average production of 9,368 kg
of milk/cow per year (range 7,147 to 11,665 kg) and an
average bulk milk SCC of 137,725 cells/mL milk (range
85,615 to 202,154 cells/mL). On all 6 farms, cows were
housed in freestalls with slatted floors and sawdustbedded
cubicles. Sawdust bedding was removed 2 to 3
times a day and replaced by fresh sawdust from a stock
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