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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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Autores principales: | , |
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Formato: | Artigo |
Lenguaje: | Inglês |
Publicado: |
AOSIS
2000-07-01
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Colección: | Journal of the South African Veterinary Association |
Materias: | |
Acceso en línea: | https://jsava.co.za/index.php/jsava/article/view/690 |
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