Optimal Time of Initial Administration of Live Vaccine for Infectious Burasal Disease in Chicks with Maternally Derived Antibody
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- SAIJO Kazue
- Research Center for Veterinary Science, The Kitasato Institute
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- HIGASHIHARA Minoru
- Research Center for Veterinary Science, The Kitasato Institute
Bibliographic Information
- Other Title
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- 移行抗体保有ひなにおける伝染性ファブリキウス嚢病生ワクチン (ひな用) の投与適期
- イコウ コウタイ ホユウヒ ナニ オケル デンセンセイ ファブリキウスノウビョ
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Abstract
The optimal time of initial vaccination with a mild-type live IBD vaccine in chicks with maternally derived antibody (MDA) was studied. The half-life of MDA was 3.46 days, and critical MDA titer to protect from infection with field virus was 1: 28. The protective immunity was acquired 6 days after vaccination, and an MDA titer of 1: 28 interfered with active immunization. If the initial vaccination should be made at age when geometric mean MDA titer lowered to 1: 80, the optimal time (Y) was calculated from age of MDA titration in days (Z) and log10 geometric mean MDA titer (X) of flocks by the following formula; Y=11.49X+Z-21.87.
Journal
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- Journal of the Japan Veterinary Medical Association
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Journal of the Japan Veterinary Medical Association 51 (11), 647-651, 1998
Japan Veterinary Medical Association
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Details 詳細情報について
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- CRID
- 1390001204708453376
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- NII Article ID
- 10018948265
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- NII Book ID
- AN00191857
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- COI
- 1:CAS:528:DyaK1cXnsFOjsro%3D
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- ISSN
- 21860211
- 04466454
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- NDL BIB ID
- 4596519
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- Data Source
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- JaLC
- IRDB
- NDL
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed