Experimental reproduction of porcine epidemic abortion and respiratory syndrome (mystery swine disease) by infection with Lelystad virus: Koch's postulates fulfilled.

@article{Terpstra1991ExperimentalRO,
  title={Experimental reproduction of porcine epidemic abortion and respiratory syndrome (mystery swine disease) by infection with Lelystad virus: Koch's postulates fulfilled.},
  author={Caroline Terpstra and G Wensvoort and J. M. A. Pol},
  journal={The Veterinary quarterly},
  year={1991},
  volume={13 3},
  pages={131-6}
}
Aerosol exposure of eight pregnant sows to cell-culture- propagated Lelystad virus resulted in clinical signs characteristic of so-called mystery swine disease. After an incubation of 4-7 days, all sows were inappetant and listless for 6-9 days. Two sows developed a transient red-blue discolouration of the ears ('abortus blauw' or blue ear disease) accompanied by abdominal respiration, and two had a fever for one day only. One sow aborted at 109 days of gestation. The other seven sows… CONTINUE READING
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