Efficacy of a commercially available coryza vaccine against challenge with recent South African NAD-independent isolates of Haemophilus paragallinarum in chickens : research communication

In South Africa the incidence of NAD-independent Haemophilus paragallinarum isolation from clinical cases is increasing. This study was carried out to test whether a commercially available coryza vaccine (Nobilis (r) Coryza, Intervet International BV) could protect chickens against challenge with re...

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Bibliographic Details
Main Authors: A.A.C. Jacobs, J. Van der Werf
Format: Article
Language:English
Published: AOSIS 2000-07-01
Series:Journal of the South African Veterinary Association
Subjects:
Online Access:https://jsava.co.za/index.php/jsava/article/view/690