Table 4 Meat inspection findings of the batch slaughtered after the herd visit in 46 study herds
From: Herd-level risk factors for chronic pleurisy in finishing pigs: a case-control study
| Variable | n | Mean | SD | Median | Min | Max |
|---|---|---|---|---|---|---|
| No. of slaughter pigs | 46 | 286.5 | 58 | 1530 | ||
| Mean carcass weight | 29 | 87.0 | 7.9 | 87.7 | 62 | 106 |
| Condemnations (kg/pig)* | ||||||
| All herds | 27 | 0.4 | 0.34 | 0.3 | 0.03 | 1.4 |
| Control herds | 15 | 0.3 | 0.34 | 0.2 | 0.03 | 1.4 |
| Case herds | 12 | 0.5 | 0.33 | 0.3 | 0.8 | 1.4 |
| Lean meat (%) | 29 | 60.1 | 0.9 | 60.2 | 57.2 | 62.1 |
| Whole carcass condemnations (%)* | ||||||
| All herds | 46 | 0.2 | 0.3 | 0.1 | 0 | 1.0 |
| Control herds | 25 | 0.1 | 0.3 | 0 | 0 | 1.0 |
| Case herds | 21 | 0.3 | 0.3 | 0.3 | 0 | 1.0 |
| Partial carcass condemnations (%)* | ||||||
| All herds | 46 | – | – | 5.8 | 1.2 | 16.2 |
| Control herds | 25 | – | – | 5.0 | 1.2 | 16.2 |
| Case herds | 21 | – | – | 7.4 | 2.2 | 13.9 |
| Organ condemnations (%) | 44 | – | – | 1.1 | 0 | 10.5 |
| Pneumonia (%) | 46 | – | – | 1.3 | 0 | 6.2 |
| Pleurisy (%)* | ||||||
| All herds | 46 | – | – | 5.8 | 0 | 60.9 |
| Control herds | – | – | 1.9 | 0 | 34.5 | |
| Case herds | – | – | 42.4 | 2.9 | 60.9 | |
| Milk spots in liver (%) | 46 | – | – | 1.7 | 0 | 56.8 |
| Arthritis (%) | 46 | – | – | 2.7 | 0 | 10 |
| Abscesses (%)* | ||||||
| All herds | 46 | – | – | 3.1 | 0.9 | 12.7 |
| Control herds | 25 | – | – | 2.7 | 0.9 | 11.2 |
| Case herds | 21 | – | – | 4.9 | 1.4 | 12.7 |
| Tail biting (%)* | ||||||
| All herds | 46 | – | – | 0 | 0 | 3.6 |
| Control herds | 25 | – | – | 0 | 0 | 1.7 |
| Case herds | 21 | – | – | 0.6 | 0 | 3.6 |