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Table 1 Frequency of PRRSV RFLP types, tabulated by owner-identifier in Ontario 2004–2007

From: Spatial and temporal patterns of porcine reproductive and respiratory syndrome virus (PRRSV) genotypes in Ontario, Canada, 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