Table 1.
Parameter | Threshold Values Weaners (7–25 kg) | Threshold Values Growing–Finishing Pigs (25–120 kg) | Source |
---|---|---|---|
Outdoor temperature (°C) | - | - | - |
Room temperature (°C) | 20–31 °C (LCT + UCT * at 20 kg) | 13–23 °C (LCT + UCT * > 60 kg) | [15] |
CO2 pig level (ppm) | 3000 | 3000 | [3] |
NH3 pig level (ppm) | 20 | 20 | [3] |
Pig fouling (0–2) | 1 | 1 | [10] |
Pen fouling (0–2) | 1 | 1 | [10] |
Eye score (0–4) | 1 | 1 | [16] |
Tail score (0–2) | 1 | 1 | [10] |
Ear score (0–2) | 1 | 1 | [10] |
Panting (n) | - | - | [10] |
Pumping (n) | - | - | [10] |
Coughing/sneezing (n/5 min) | - | - | [10] |
Huddling (0–2) | 1 | 1 | [10] |
Shivering (0–2) | 1 | 1 | [10] |
Lying isolated (0–2) | 1 | 1 | - |
Posture (0–2) | 1 | 1 | - |
Standing pigs (n) | - | - | - |
Mortality incl. euthanasia (%) | >5% | >6% | - |
Antibiotics (doses/pig/year) | >22 | >10 | [17] |
Pleurisy (%) | N/A | >25% | - |
Pneumonia (%) | N/A | >10% | - |
Space allowance (m²/pig) | 0.2 | 0.8 | - |
Room volume (m3/pig) | 0.8 | 2.5 | - |
* LCT + UCT = lower and upper critical temperature; - = no limit value available; N/A = not applicable.