Table 5 Median (min.–max.) number of daily movements (total movements and percentage of risky movements) towards the nursery unit and fattening unit in the different weeks of the batch farrowing system in farm A, working in a 3-week system, and farms B, C, D, and E, working in a 4-week system
From: Optimizing internal biosecurity on pig farms by assessing movements of farm staff
Total number of movements (n) | Percentage of risky movements (%) | |||
|---|---|---|---|---|
Nursery | Fattening | Nursery | Fattening | |
Farm A | ||||
Weaning week | 2a (1–9) | 8a (1–29) | 0a (0–100) | 5a (0–50) |
Insemination week | 2a (1–7) | 7a (2–26) | 0a (0–100) | 13a (0–50) |
Farrowing week | 2a (1–9) | 7a (2–33) | 0a (0–100) | 7a (0–33) |
Farm B | ||||
Weaning | 2a (1–11) | 3a (1–19) | 0a (0–100) | 0a (0–50) |
Insemination + farrowing | 1a (1–8) | 3a (1–16) | 0a (0–100) | 0a (0–100) |
No main activities 1 | 2a (1–13) | 3a (1–13) | 0a (0–100) | 0a (0–50) |
No main activities 2 | 1a (1–19) | 3a (1–38) | 0a (0–100) | 0a (0–67) |
Farm C | ||||
Weaning | 6ab (1–30) | 2a (1–24) | 0a (0–77) | 0a (0–50) |
Insemination + farrowing | 6b (1–19) | 2a (1–6) | 0a (0–40) | 0a (0–50) |
No main activities 1 | 5ac (1–16) | 2a (1–7) | 0a (0–33) | 0a (0–0) |
No main activities 2 | 4c (1–13) | 2a (1–6) | 0a (0–83) | 0a (0–100) |
Farm D | ||||
Weaning | 7a (1–47) | – | 0a (0–10) | – |
Insemination + farrowing | 6a (1–33) | – | 0a (0–13) | – |
No main activities 1 | 6a (1–31) | – | 0a (0–0) | – |
No main activities 2 | 8a (1–134) | – | 0a (0–0) | – |
Farm E | ||||
Weaning | 12a (1–146) | 3a (1–23) | 0a (0–100) | 0a (0–100) |
Insemination + farrowing | 15a (1–74) | 3a (1–9) | 0a (0–100) | 0a (0–100) |
No main activities 1 | 9a (1–269) | 3a (1–19) | 0a (0–100) | 0a (0–56) |
No main activities 2 | 9a (1–119) | 3a (1–17) | 9b (0–100) | 0a (0–100) |