Table 1 Farm data and economic data describing the breeding part of 21 herds endemically infected with Porcine Reproductive and Respiratory Syndrome Virus (PRRSV) and suffering from corresponding disease in sows, weaners, growers or finishing pigs

 Number of working sows in the farm per year (n)

330

150

1200

355

215

 Production rhythm (weeks)

3

1

5

2.9

1.07

 Length of suckling period (weeks)

4

3

4

3.7

0.5

 Replacement rate per year (%)

39.5

26.9

50

39.3

7.2

 Feed consumption (gestation) / sow from insemination to farrowing (kg)

300

275

418

316.8

42.5

 Feed consumption (lactation) per sow during suckling period (kg)

160

90

260

167

43.8

 Return-to-estrus rate (%)^a

8.4

3

20

8.9

4.3

 Abortions (%)^a

1.6

0.3

15

2.5

3.1

 Piglets born alive per sow per litter (n)^a

15.7

11.7

18.4

15.4

1.5

 Preweaning mortality (%)^a

13.6

10

19

13.7

2.5

 Weight of suckling pigs at weaning (kg)^a

7.4

5.3

9.5

7.1

1.1

 Price per 1000 kg gestation feed (€)

232.25

211.00

380.00

245.29

40.61

 Price per 1000 kg lactation feed (€)

278.00

258.00

420.00

287.18

39.40

 Veterinary cost per sow per year incl. vaccination costs (€)

193.60

80.00

250.00

177.02

47.81

 Price per dose PRRS vaccination (sow) incl. labour (€)

1.56

1.00

2.40

1.60

0.32

 Price per dose PRRS vaccination (piglet) incl. labour (€)

1.49

0.33

1.81

1.34

0.44

 Costs for a replacement gilt (€)

350.00

250.00

400.00

348.40

39.46

 Price per sow slaughtered / replaced (€)

240.00

191.00

500.00

250.69

69.91

 Price per semen dose (€)

4.00

2.20

6.00

4.21

1.16

 Energy cost per sow and year (€)

62.50

40.00

196.00

73.57

42.73

 Labour cost per sow and year (€)

250.00

131.25

438.00

244.48

83.13

 Building cost per sow and year (€)

100.00

25.00

200.00

103.90

51.38

 Equipment cost per sow and year (€)

10.00

5.00

200.00

44.31

77.20

 Inspection, Levy and Insurance cost per sow and year (€)

15.75

1.00

47.00

18.33

13.17

 Transport costs for slaughter sows per sow (€)

4.40

0.00

17.00

4.56

4.55

 Any other variable cost per sow and year (€)

0.00

0.00

0.00

0.00

0.00

 Any other fix cost per sow and year (€)

0.00

0.00

155.80

9.56

34.40