Infectious bursal disease: evaluation of maternal immunity and protection by vaccination of one-day old chicks against challenge with a very virulent virus isolate
Broiler chicks belonging to two poultry companies, A and B, with different breeders' vaccination programs were challenged with a very virulent strains of infectious bursal disease virus (vvIBDV), genotyped as G11. Birds were separated in four groups, two vaccinated at the first day of life and two u...
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| Главные авторы: | , , , , , , , |
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| Формат: | Artigo |
| Язык: | Inglês |
| Опубликовано: |
Fundação de Apoio à Ciência e Tecnologia Animal
2005-03-01
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| Серии: | Brazilian Journal of Poultry Science |
| Предметы: | |
| Online-ссылка: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2005000100009 |
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