Table 4.
Description of the herd characteristics for the study sample of fattening and breeding pig farms in Great Britain.
| Mean | SD | Median | Min | Max | |
|---|---|---|---|---|---|
| Fattening pig farmsa | |||||
| Number of breeding pigs | 219 | 269 | 105 | 0 | 1,000 |
| Number of weaners | 1,166 | 1,194 | 904 | 0 | 4,600 |
| Number of fattening pigs | 2,003 | 1,397 | 1,700 | 2 | 6,200 |
| Number of boars | 3 | 4 | 3 | 0 | 15 |
| Years of experience | 30 | 13 | 30 | 2 | 60 |
| Number of employees [full time equivalents (FTE)] | 2.8 | 1.7 | 2 | 0.6 | 7 |
| Breeding pig farmsb | |||||
| Number of breeding pigs | 515 | 370 | 435 | 85 | 1,700 |
| Number of weaners | 1,776 | 1,443 | 1,500 | 0 | 5,400 |
| Number of fattening pigs | 1,553 | 1,567 | 1,425 | 0 | 6,200 |
| Number of boars | 8 | 7 | 6 | 3 | 33 |
| Years of experience | 31 | 12 | 30 | 3 | 60 |
| Number of employees (FTE) | 4.0 | 1.6 | 4.0 | 1.5 | 7 |
a40 fattening pig farms (specialized fatteners and breeder-fatteners).
b28 breeding pig farms (specialized breeders and breeder-fatteners).