Table 1 Frequency of PRRSV RFLP types, tabulated by owner-identifier in Ontario 2004–2007
Wild-type viruses | Vaccine-type viruses | Total | |||||
|---|---|---|---|---|---|---|---|
RFLP owner | 1-3-4 | 1-18-4 | 1-8-2 | 1-8-4 | 2-5-2 | 1-4-2 | |
Small owners | 31 | 25 | 16 | 4 | 36 | 14 | 247 |
1 | 1 | 5 | 0 | 0 | 7 | 0 | 14 |
2 | 2 | 1 | 3 | 2 | 1 | 1 | 12 |
3 | 5 | 5 | 0 | 0 | 0 | 0 | 11 |
4 | 0 | 0 | 0 | 1 | 0 | 0 | 10 |
5 | 0 | 3 | 0 | 0 | 2 | 0 | 7 |
6 | 0 | 0 | 0 | 0 | 4 | 0 | 6 |
Total premises | 39 | 39 | 19 | 7 | 50 | 15 | 307 |