Table 1.
Farm A mean qRT-PCR results and standard deviation (sd) for the pathogens investigated, and percentage (%) of positive fish at different sampling points. NA = Not applicable.
| D. lepeophtherii | Ca. B. cysticola | N. perurans | SGPV | |||||
|---|---|---|---|---|---|---|---|---|
| Week | % Positive | Ct Mean (sd) | % Positive | Ct Mean (sd) | % Positive | Ct Mean (sd) | % Positive | Ct Mean (sd) |
| 1 | 0% | - | 100% | 30.5 (1.8) | 0% | - | 100% | 23.7 (3.2) |
| 6 | 17% | 31.8 (NA) | 100% | 25.5 (2.3) | 0% | - | 0% | - |
| 10 | 67% | 30.7 (1.9) | 100% | 23.9 (2.2) | 0% | - | 0% | - |
| 14 | 100% | 31.3 (4.9) | 100% | 23.7 (1.1) | 0% | - | 0% | - |
| 19 | 100% | 29.0 (1.9) | 100% | 19.2 (2.1) | 0% | - | 0% | - |
| 23 | 100% | 28.7 (3.5) | 100% | 20.2 (2.5) | 0% | - | 0% | - |
| 28 | 100% | 24.5 (3.4) | 100% | 23.7 (1.0) | 0% | - | 100% | 32.7 (0.7) |
| 30 | 100% | 24.5 (1.1) | 100% | 25.2 (2.2) | 0% | - | 100% | 32.8 (4.0) |
| 32 | 100% | 24.4 (5.2) | 100% | 24.5 (3.0) | 0% | - | 0% | - |
| 34 | 100% | 26.1 (4.0) | 100% | 26.0 (4.2) | 0% | - | 0% | - |
| 36 | 100% | 23.7 (2.4) | 100% | 25.5 (3.2) | 0% | - | 17% | 34.3 (NA) |
| 38 | 100% | 23.7 (2.2) | 100% | 24.8 (2.4) | 0% | - | 33% | 35.6 (0.7) |
| 40 | 100% | 25.5 (2.2) | 100% | 25.5 (2.5) | 17% | 30.9 (NA) | 0% | - |
| 43 | 100% | 22.8 (2.0) | 100% | 23.6 (0.9) | 42% | 31.3 (5.5) | 0% | - |
| 45 | 100% | 24.7 (0.8) | 100% | 24.6 (1.8) | 17% | 36.4 (NA) | 0% | - |
| 47 | 100% | 25.9 (2.3) | 100% | 27.1 (2.5) | 17% | 22.8 (NA) | 0% | - |
| 49 | 100% | 26.2 (1.7) | 100% | 27.7 (3.5) | 0% | - | 17% | 36.1 (NA) |
| 52 | 100% | 27.1 (3.2) | 100% | 29.9 (4.8) | 0% | - | 17% | 32.5 (NA) |
| 54 | 100% | 28.0 (2.5) | 100% | 27.0 (2.8) | 0% | - | 0% | - |
| 57 | 100% | 27.8 (1.9) | 100% | 27.3 (2.3) | 0% | - | 0% | - |