Table 2 Results from gross pathology, bacteriology, serology and virology from seven outbreak herds (from 1 to 7) and seven non-outbreak herds (from 8 to 14)
From: A descriptive study of acute outbreaks of respiratory disease in Norwegian fattening pig herds
Herd no. | Number of samples | Pleura gross pathology No. of pigs | Lung gross pathology No. of pigs | Bacteriologya No. of pigs (%) | Serology No. of pigs (%) | Virology RT-qPCR on pooled OF sample | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Lungs/serum/OF | Acute lesionb | Chronic lesionc | Acute lesiond | Chronic lesione | APP culturef | APP seroconver-siong | SIV sero-conversion | PCV2 detectionh (category) | SIV detection | ||
Pleura | Lung | ||||||||||
1 | 5/10/1 | 5 | – | 5 | – | 4 (80) | 5 (100) | 3 (30) | – | 18,000 (mod) | – |
2 | 3/10/1 | 3 | – | 3 | 1i | 3 (100) | 3 (100) | 9 (90) | 1(10)j | 9700 (low) | – |
3 | 5/10/1 | 4 | 1 | 5 | – | 5 (100) | 5 (100) | 6 (60) | – | 1500 (low) | – |
4 | 3/10/1 | 2 | – | 3 | – | 2 (67) | 3 (100) | 5 (50) | – | < 10 (low) | – |
5 | 4/10/1 | 4 | – | 4 | – | 4 (100) | 4 (100) | 10 (100) | – | 19,000 (mod) | – |
6 | 5/10/1 | 5 | – | 5 | – | 5 (100) | 5 (100) | 6 (60) | – | 55,000 (mod) | – |
7 | 3/10/1 | 2 | 1 | 3 | – | 3 (100) | 3 (100) | –k | – | 602 (low) | – |
8 | 3/10/1 | 1 | – | – | – | 0 | 0 | 4 (40) | – | 58,000 (mod) | – |
9 | 3/10/1 | – | – | 1 | 1 | 0 | 1 (33) | 0 | – | 16,000 (mod) | – |
10 | 4/10/1 | – | 1 | – | – | 0 | 0 | 2 (20) | – | 220,000 (mod) | – |
11 | 4/10/1 | – | – | – | – | 0 | 0 | 1 (10) | – | 430,000 (mod) | – |
12 | 3/10/1 | – | – | – | – | 0 | 0 | 8 (80) | – | 850,000 (mod) | – |
13 | 4/10/1 | – | – | – | – | 0 | 0 | 4 (40) | – | 15,000 (mod) | – |
14 | 3/10/1 | – | – | – | 1 | 0 | 1 (33) | 1 (10) | – | 5270 (low) | – |