|Characteristics of sites (n = 122) where PRRSV wild-type ORF5 sequence was identified according to production type|
|Characteristics of sites||Breeding sites||Growing sites|
|n = 53||n = 69|
|Distance from public road|
|Number of productive sows||median (Q1-Q3)||185 (136–300)||-|
|Total number of animalsa||median (Q1-Q3)||1350 (891–2020)||1550 (1000–2450)|
|Distance from closest pig site (m)b||median (Q1-Q3)||400 (220–610)||409 (200–1000)|
a Including gilts, sows, weaners and finishers if present on site, b Approximated by the producer.
Lambert et al.
Lambert et al. BMC Veterinary Research 2012 8:76 doi:10.1186/1746-6148-8-76