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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1111/jfd.13368
|2 doi
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|a pubmed24n1077.xml
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|a (DE-627)NLM323115160
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|a (NLM)33755230
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Takeuchi, Hisato
|e verfasserin
|4 aut
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| 245 |
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|a Environmental factors affecting Edwardsiella ictaluri-induced mortality of riverine ayu, Plecoglossus altivelis (Temminck & Schlegel)
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|c 2021
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 23.07.2021
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|a Date Revised 23.07.2021
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2021 John Wiley & Sons Ltd.
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|a We analysed the predisposing factors for Edwardsiella ictaluri infection in the riverine ayu Plecoglossus altivelis on the basis of environmental and epidemiological data obtained in a tributary to and the lower reaches of the Tama River, Japan, in July and August 2011-2015. Mortality of ayu due to E. ictaluri infection was observed only in the tributary in August 2012 and 2013; both periods were unusually hot. During these mortality events, daily average water temperatures rose approximately 3-4°C over 4-8 days, reaching the optimum temperature for E. ictaluri infection (>25°C) and approaching the upper tolerable limit for ayu (30°C). Diurnal water temperature ranges (DWTRs) in the tributary during the mortality events exceeded 6°C, which was 1-2°C greater than in the lower reaches. Experimental infection of ayu with E. ictaluri resulted in higher mortality when exposed to 6°C DWTR than to 4°C DWTR. Furthermore, water levels in the tributary were generally low in August 2012 and 2013 because of low rainfall. From these results, we conclude that unusually high-water temperatures combined with high DWTRs and low water levels drove riverine ayu mortality from E. ictaluri infection
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|a Journal Article
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|a Plecoglossus altivelis
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|a Edwardsiella ictaluri infection
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| 650 |
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4 |
|a ayu
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| 650 |
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|a epidemiology
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| 650 |
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|a mortality
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| 650 |
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4 |
|a water temperature
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| 700 |
1 |
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|a Hiratsuka, Motoyuki
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hori, Kazutomo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Oinuma, Hiroki
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Umino, Yoshiyuki
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Nakano, Daiki
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Iwadare, Mayu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Tomono, Ryuji
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Imai, Toshihiro
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Mashiko, Hirohito
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Namba, Aki
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Takase, Tomohiro
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Shimizu, Sonoko
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Nakai, Toshihiro
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Mano, Nobuhiro
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of fish diseases
|d 1998
|g 44(2021), 8 vom: 30. Aug., Seite 1065-1074
|w (DE-627)NLM098166034
|x 1365-2761
|7 nnns
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| 773 |
1 |
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|g volume:44
|g year:2021
|g number:8
|g day:30
|g month:08
|g pages:1065-1074
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|u http://dx.doi.org/10.1111/jfd.13368
|3 Volltext
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