Table 1 Proportion of EHV-4 nucleic acid qPCR-positive nasal swabs obtained from 90 Thoroughbreds at an auction sale
Farm of consignment | Province of origin | Consigned horses (n) | Sample dates (August 2013) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
8 | 9 | 10 | 11 | 12 | 13 | 14 | 15a | 16a | |||
1 | Western Cape | 13 | Â | 0/13 | 1/8 | 0/9 | 0/9 | 0/9 | 0/9 | 0/12 | 0/5 |
2 | Western Cape | 9 | Â | 0/9 | 2/5 | 0/5 | 0/5 | 0/6 | 1/7 | 1/8 | 1/5 |
3 | Western Cape | 8 | 0/8 | 0/5 | 0/5 | 0/5 | 1/6 | 1/7 | 1/7 | 1/8 | 1/5 |
4 | Eastern Cape | 13 | Â | Â | 1/13 | 0/4 | 0/4 | 0/7 | 0/7 | 3/12 | 0/4 |
5 | Eastern Cape | 5 | Â | Â | 0/5 | 0/1 | 0/3 | 1/3 | 2/4 | 1/5 | 0/1 |
6 | KwaZulu-Natal | 10 | Â | Â | Â | 0/10 | 0/0 | 1/3 | 0/5 | 0/8 | 0/3 |
7 | KwaZulu-Natal | 26 | Â | 0/26 | 0/16 | 0/16 | 0/17 | 0/18 | 0/19 | 1/25 | 0/9 |
8 | KwaZulu-Natal | 6 | Â | Â | Â | Â | Â | 0/6 | 0/1 | 0/6 | 0/2 |
Number (%) | 90 | 0/8 (0) | 0/53 (0) | 4/52 (7.7) | 0/50 (0) | 1/44 (2.3) | 3/59 (5.1) | 4/59 (6.8) | 7/84 (8.3) | 2/34 (5.9) | |