Table 2 Characteristics of the participants’ farms: production size and performance, cost of Regional Porcine Sanitary Plan (RPSP) implementation in the farm, institutional context

Continuous measures of farm production size and performance and cost of RPSP* implementation (n = 40)

Median

Minimum—maximum

Number of sows

12

6–75

Number of slaughtered pigs per year

70

40–400

Surface used for pig grazing in hectare (ha)

100

12–500

Number of slaughtered pigs per year per hectare (/year/ha)

0.8

0.1–5.8

Number of slaughtered pigs per year per sow (/year/sow)

6

0.8–11.7

monetary cost of compliance with the RPSP* measures (EUR/slaughtered pig/year)

43

0–158

Category of farm management and institutional context (n = 40)

Count

Proportion (%)

Presence of a dedicated breeding area delimited by fences

36

90

Neutering of gilts

11

28

Member of the PDO** scheme

23

58

Member of the GDS***

32

80