Browsing 1997 Onderstepoort Journal of Veterinary Research, Volume 64, 1997 by Author "Gerdes, Gertruida Hermanna"

Browsing 1997 Onderstepoort Journal of Veterinary Research, Volume 64, 1997 by Author "Gerdes, Gertruida Hermanna"

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  • Experimental infection of vaccinated slaughter ostriches with virulent Newcastle disease virus 
    Verwoerd, Daniel Wynand; Gerdes, Gertruida Hermanna; Olivier, A.; Williams, R.; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1997)
    A virulent Newcastle disease virus (NDV) isolate from an outbreak in commercial poultry, with virulence indices of MDT = 47-48 h; IVPI = 2,17 and ICPI = 1,8; was used to inoculate 10x vaccinated (standard poultry vaccines) ...