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Volume 18, Number 12—December 2012


Porcine Reproductive and Respiratory Syndrome Virus, Thailand, 2010–2011

Dachrit NilubolComments to Author , Thitima Tripipat, Tawatchai Hoonsuwan, and Khampee Kortheerakul
Author affiliations: Author affiliation: Chulalongkorn University, Bangkok, Thailand

Main Article

Table 1

Characteristics of pig farms with herds infected by PRRSV, Thailand, 2010–2011*

Herd ID, geographic location in country Production system Herd size, no. sows Used attenuated North American PRRSV vaccine No. (%) sow losses†
No. (%) sows that aborted
Died Culled
UDT, northeast Farrow-to-wean 500 No 48 (9.6) 102 (20.4) 264 (52.8)
UD, north Farrow-to-wean 1,500 NK ND ND ND
SCP, west Farrow-to-finish 500 Yes 153 (30.6) 68 (13.6) 42 (8.4)
FDT, central Farrow-to-finish 1,200 Yes 29 (2.4) 80 (6.7) 104 (8.7)

*PRRSV, porcine reproductive and respiratory syndrome virus; ID, identification; NK, not known; ND, no data available.
†Data are for the 4 weeks following the start of the outbreak on each farm.

Main Article