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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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| Главные авторы: | , |
|---|---|
| Формат: | Artigo |
| Язык: | Inglês |
| Опубликовано: |
AOSIS
2000-07-01
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| Серии: | Journal of the South African Veterinary Association |
| Предметы: | |
| Online-ссылка: | https://jsava.co.za/index.php/jsava/article/view/690 |
| Метки: |
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