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231225s2022 xx |||||o 00| ||eng c |
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|a 10.1007/s10646-021-02473-8
|2 doi
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|a pubmed24n1105.xml
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|a eng
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|a Sahota, Charanveer
|e verfasserin
|4 aut
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|a Lethal and sublethal effects in Pink salmon (Oncorhynchus gorbuscha) following exposure to five aquaculture chemotherapeutants
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|c 2022
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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
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|a Date Completed 13.01.2022
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|a Date Revised 13.01.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2021. The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.
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|a Early life stages of Pink salmon (Oncorhynchus gorbuscha) are at risk of exposure to the active ingredients of chemotherapeutant formulations (hydrogen peroxide [HP], azamethiphos [AZ], emamectin benzoate [EB], cypermethrin [CP] and deltamethrin [DM]) used to control sea lice in salmon aquaculture. LC50 values (95% confidence intervals) for acute 48-h water exposures in order of least to most toxic to seawater-adapted pink salmon fry were: HP (227 [138-418] mg/L), EB (1090 [676-2006] µg/L), AZ (80 [52-161] µg/L), CP (5.1 [3.0-10.5] µg/L), and DM (980 [640-1800] ng/L), and in subchronic 10-d lethality sediment exposure tests: EB (2065 [1384-3720] µg/kg), CP (97 [58-190] µg/kg), and DM (1035 [640-2000] ng/kg). Alterations in behaviour varied between chemicals; no chemical attracted pink salmon fry; fish avoided HP to a limited extent at 50 mg/L), as well as EB (300 µg/L), and AZ (50 µg/L). Significant concentration-dependent decreases in olfactory responsiveness to food extract were seen following AZ, CP and DM exposures that occurred at lower concentrations with longer exposure periods (10 µg/L, 0.5 µg/L and 100 ng/L thresholds at 7 d). Following 10-d sediment exposures, olfaction was only affected by CP exposure at 50 µg/kg. Significant decreases in swimming performance (Ucrit) occured for HP, AZ, CP and DM at concentrations as low as 100 mg/L, 10 µg/L, 2 µg/L and 200 ng/L, respectively. This study provides comprehensive data on the lethal and sublethal effects of aquaculture chemotherapeutant exposure in early life stage pink salmon
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|a Journal Article
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|a Azamethiphos
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|a Chemotherapeutants
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|a Cypermethrin
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|a Deltamethrin
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| 650 |
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|a Emamectin benzoate
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| 650 |
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|a Hydrogen peroxide
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|a Hayek, Kassia
|e verfasserin
|4 aut
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|a Surbey, Brady
|e verfasserin
|4 aut
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| 700 |
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|a Kennedy, Christopher J
|e verfasserin
|4 aut
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|i Enthalten in
|t Ecotoxicology (London, England)
|d 1992
|g 31(2022), 1 vom: 09. Jan., Seite 33-52
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|x 1573-3017
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|g volume:31
|g year:2022
|g number:1
|g day:09
|g month:01
|g pages:33-52
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|u http://dx.doi.org/10.1007/s10646-021-02473-8
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