5Stipkovits L, Ripley P H, Varga J, et al. Use of valnemulin in the control of mycoplasma bovis infection under field conditions [J]. Vet Rec,2001,148(13) :399 N 402.
6Stipkovits L, Miller D, Glavits R, et al. Treatment of pigs experimentally infected with mycoplasma hyopneumoniae, pasteurella multocida, and actinobacillus pleuropneumoniae with various antibiotics [J]. Can J Vet Res,2001,65 (4) :213 - 222.
7Norvatis. European field studies show effectiveness of econor in control of swine dysentery [DB/OL] . Http://www. econor. com , 2003.
8EMEA. The european agency for the evaluation of medicinal products, veterinary medicines evaluation unit :valnemulin, summary report [DB/OL]Http://www. emea. eu. int/pdfs/vet/mrls/O33998en, pdf, 1998.
9Karlsson M, Oxberry S, Hampson D. Antimierobiol susceptibility testing of Australian isolates of Braehyspira hyodysenteriae using a new broth dilution method [J] . Vet Microbio1,2002,84( 1 - 2) : 123 - 133.
10Karlsson M, Gunnarsson A, Franklin A. Susceptibility to pleuromutilins in brachyspira (serpulina) hyodysenteriae[J]. Anim Health Rev,2001,2(1) :59 N65.
