发明名称 |
In ovo protection against infectious bronchitis |
摘要 |
The present invention is directed to processes and compositions for protecting host animals (e.g., chickens) from exposure to virulent infectious bronchitis virus. In ovo administration of live, avirulent strains of IB at appropriate dosage levels on a per egg basis provides an effective and efficient vaccination having acceptable safety and efficacy features.
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申请公布号 |
US2001046500(A1) |
申请公布日期 |
2001.11.29 |
申请号 |
US20010775750 |
申请日期 |
2001.02.02 |
申请人 |
JONGSMA BEREND;DAVELAAR FRANS GERRIT;WESTSTRATE MARINUS WYNAND |
发明人 |
JONGSMA BEREND;DAVELAAR FRANS GERRIT;WESTSTRATE MARINUS WYNAND |
分类号 |
A61K39/215;C12N7/04;(IPC1-7):A61K39/12 |
主分类号 |
A61K39/215 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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