Pathogenicity of a QX strain of infectious bronchitis virus in specific pathogen free and commercial broiler chickens, and evaluation of protection induced by a vaccination programme based on the Ma5 and 4/91 serotypes

Author: Terregino Calogero   Toffan Anna   Serena Beato Maria   De Nardi Roberta   Vascellari Marta   Meini Amelio   Ortali Giovanni   Mancin Marzia   Capua Ilaria  

Publisher: Taylor & Francis Ltd

ISSN: 1465-3338

Source: Avian Pathology, Vol.37, Iss.5, 2008-10, pp. : 487-493

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