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Table 1 Description of the sample of 260 flocks, in a case-control study performed in 2016 on antimicrobial use on traditional French free-range broiler farms

From: Epidemiological assessment of the factors associated with antimicrobial use in French free-range broilers

  Category Total %
Gender Women 73 28.1
Men 187 71.9
Contribution of free-range broiler breeding to total farm income in 2015 Under 25% 55 21.2
25–50% 82 31.5
50–75% 53 20.4
75–100% 37 14.2
100% 29 11.2
Missing data 4 1.5
Crop production in 2016 Yes 236 90.8
No 24 9.2
Other breeding production in 2016 Yes 128 49.2
No 132 50.8
Conventional broiler production in 2015 Yes 28 10.8
No 232 89.2
Anseriformes bred in 2015 Yes 30 11.5
No 230 88.5