Volume 9, Number 4—April 2003
Research
Infectious Pancreatic Necrosis Virus in Scottish Atlantic Salmon Farms, 1996–2001
Alexander G. Murray*†
, Corina D. Busby*, and David W. Bruno*
, Corina D. Busby*, and David W. Bruno*
Table 2
Trends in annual average prevalence of infectious pancreatic necrosis virus for all Scotland and by regions with regression 90% confidence intervals, probability, and r2a
| Region | % Annual increase | 90% CI | p | r2 |
|---|---|---|---|---|
| Marine sites |
||||
| All Scotland |
6.2 |
±3.1 |
0.012 |
0.82 |
| South Mainland |
-3.4 |
±6.2 |
0.306 |
0.26 |
| North Mainland |
8.7 |
±5.4 |
0.026 |
0.75 |
| Shetland |
7.4 |
±3.7 |
0.014 |
0.82 |
| Orkney |
11.5 |
±3.7 |
0.003 |
0.91 |
| Outer Hebrides |
10.6 |
±7.1 |
0.013 |
0.71 |
| Freshwater Sites |
||||
| All Scotland |
2.0 |
±1.5 |
0.051 |
0.66 |
| South Mainland |
1.9 |
±1.3 |
0.039 |
0.69 |
| North Mainland |
0.4 |
±1.9 |
0.663 |
0.05 |
| Shetland |
6.5 |
±3.9 |
0.026 |
0.75 |
| Orkney |
2.4 |
±2.3 |
0.097 |
0.54 |
| Outer Hebrides | 3.0 | ±2.2 | 0.041 | 0.69 |
aIPNV, infectious pancreatic necrosis virus; CI, confidence intervals; p, probability; r2, coefficient of determination for bivariate analysis.
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