Experimental assessment of the pathogenicity of the Newcastle disease viruses from outbreaks in Great Britain in 1997 for chickens and turkeys, and the protection afforded by vaccination

Author: Alexander D. J.   Manvell R. J.   Banks J.   Collins M. S.   Parsons G.   Cox B.   Frost K. M.   Speidel E. C.   Ashman S.   Aldous E. W.  

Publisher: Taylor & Francis Ltd

ISSN: 1465-3338

Source: Avian Pathology, Vol.28, Iss.5, 1999-10, pp. : 501-511

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Abstract