書誌事項
- タイトル別名
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- Prevalence of Aeromonas salmonicida in the chum salmon (Oncorhynchus keta), pink salmon (O. gorbuscha), and masu salmon (O. masou) returning to rivers in Hokkaido.
- サケマス増殖事業におけるせっそう病の疫学的研究 Ｉ 外観上正常なサケ，カラフトマス及びサクラマス成熟親魚のＡｅｒｏｍｏｎａｓ ｓａｌｍｏｎｉｃｉｄａ保有状況
- ガイカンジョウ セイジョウ ナ サケ カラフトマス オヨビ サクラマス セイジ
- サケマス増殖事業におけるせっそう病の疫学的研究―I
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説明
Prevalence of Aeromonas salmonicida was studied in mature chum (Oncorhynchus keta), pink (O. gorbuscha), and masu salmon (O. masou) without signs of furunculosis. From September 1979 to November 1990, a total of 15, 264 chum, pink and masu salmon were collected from 33 rivers. We isolated A. salmonicida from chum salmon in 18 of 28 rivers and the prevalence ranged from 1.8 to 34.4%. For pink salmon populations, A. salmonicida was isolated in 9 of 14 rivers with prevalence ranging from 1.7 to 14.6%. In masu salmon, A. salmonicida was isolated in 6 of 10 rivers and the prevalence ranged from 0.5 to 3.7%. The above results indicated that A. salmonicida distributed widely in the populations of mature salmonids, except those in the rivers on the coast from Tsugaru Strait to Uchiura Bay. The annual change in prevalence of A. salmonicida in salmon was closely related to the fish density in the holding ponds for maturation. The viable numbers of A. salmonicida in the kidney were found to be from 103 to 105 cfu/g.
収録刊行物
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- 魚病研究
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魚病研究 26 (3), 139-147, 1991
日本魚病学会
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詳細情報 詳細情報について
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- CRID
- 1390001206460203136
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- NII論文ID
- 130000857445
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- NII書誌ID
- AN00063165
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- ISSN
- 18817335
- 0388788X
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- HANDLE
- 2115/38334
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- NDL書誌ID
- 3748918
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- IRDB
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可
