Table 3.
Equine influenza H7N7 single radial haemolysis (SRH) levels in selected populations
| SRH | Weanling | Yearling | Broodmare | Teaser | Horses in training | Non‐TB | Total |
|---|---|---|---|---|---|---|---|
| <50 mm2 | 177 (88·5%) | 86 (40·0%) | 8 (3·9%) | 56 (80·0%) | 30 (13·5%) | 186 (78·8%) | 543 (47·3%) |
| >50 mm2 | 11 | 13 | 5 | 1 | 3 | 10 | 43 |
| <85 mm2 | (5·5%) | (6·0%) | (2·4%) | (1·4%) | (1·3%) | (4·2%) | (3·7%) |
| >85 mm2 | 4 | 45 | 55 | 5 | 70 | 18 | 197 |
| <150 mm2 | (2·0%) | (20·9%) | (26·8%) | (7·1%) | (31·4%) | (7·6%) | (17·1%) |
| >150 mm2 | 8 | 71 | 137 | 8 | 120 | 22 | 366 |
| (4·0%) | (33·0%) | (66·8%) | (11·4%) | (53·8%) | (9·3%) | (31·9%) | |
| Total | 200 | 215 | 205 | 70 | 223 | 236 | 1149 |