Table 2.
Results of ultrasonography of sheep in group 2 (sheep remaining on their farms of origin and re-scanned at various intervals). The approximate depth of the hypoechoic area (mm) was estimated from videos of the ultrasonographs. Results are shown only for the side of the lungs with the more advanced lesions
| Sheep | Time from first scan (weeks) | ||||||
|---|---|---|---|---|---|---|---|
| ID No. | 0 | 8 | 12 | 16 | 24 | 30 | 40 |
| 13011 | 2 | 2 | 40 | 60 | |||
| 6092 | 30 | 60 | |||||
| 6217 | 5 | 5 | 60 | ||||
| 13186 | 2 | 50 | |||||
| 15976 | 2 | 5 | 60 | ||||
| 5217 | 3 | 60 | |||||
| 10445 | 20 | 60 | |||||
| 2262 | 5 | 30 | |||||
| 4805 | 30 | 50 | |||||
| 11171 | 20 | 30 | 30 | ||||
| 7503 | 10 | 60 | |||||
| 2799 | 30 | 60 | |||||
| 6371 | 20 | 40 | |||||
| 8080 | 3 | 30 | |||||
| 4143 | 2 | 20 | |||||
| 6432 | 3 | 20 | |||||
In addition, 26 sheep had lesions ≤30 mm at the first scan and no lesion was detected at the subsequent scan 8–40 weeks later