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Table 2 Summary of characteristics of the herds of the farmers participating in the semi-structured interviews

From: A mixed methods inquiry: How dairy farmers perceive the value(s) of their involvement in an intensive dairy herd health management program

Characteristics 1 2 3 4 5 6 7 8 9 10 11
Cows per year1, n 105 140 115 123 161 141 106 137 92 141 182
ECM per cow per year, kg 8,908 9,932 8,276 7,943 9,847 9,420 8,898 10,050 10,712 10,023 9,722
Age at 1st calving, Months 25,3 25,4 28,7 26,0 27,9 25,9 25,7 25,7 25,5 26,3 24,9
Culling-rate2 30 48 37 73 34 30 38 40 36 59 52
Bulk tank somatic cell count, 1000 per ml 220 216 385 299 323 235 224 201 227 403 186
Milk delivered, percent of produced3 95 98 98 92 96 91 98 92 90 95 91
Automatic Milking System No No No Yes No No No No No Yes No
Age of farmer, intervals > 50 > 50 40–50 40–50 > 50 > 40 40–50 40–50 > 50 < 40 < 40
  1. 1 Cows per year = total number of cow days in a year/365
  2. 2 Calculated according to the Danish definition: (number of cows going into the herd plus number of cows leaving the herd)/2/number of cows per year
  3. 3 Percentage of milk shipped to the dairy of milk produced
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