Serveur d'exploration sur l'esturgeon

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Bioconcentration and elimination of avermectin B1 in sturgeon

Identifieur interne : 000131 ( PascalFrancis/Curation ); précédent : 000130; suivant : 000132

Bioconcentration and elimination of avermectin B1 in sturgeon

Auteurs : JIANZHONG SHEN [République populaire de Chine] ; QIDI ZHANG [République populaire de Chine] ; SHUANGYANG DING [République populaire de Chine] ; SUXIA ZHANG [République populaire de Chine] ; Joel R. Coats [États-Unis]

Source :

RBID : Pascal:05-0233273

Descripteurs français

English descriptors

Abstract

The bioconcentration and elimination of avermectin B1 in sturgeon muscle were investigated with high-performance liquid chromatography. Mean concentrations of 0.2 and I ng.ml-1 in water were maintained for a 22-d exposure period. The concentrations of avermectin B in muscle tissues reached steady state within 14 to 18 d. The level of avermectin B1 concentrations in the fish muscles was 7.75 ± 0.88 and 38.29 ± 1.65 ng.g-1 for the low and high concentrations, respectively, on day 22. The half-life (t1/2) of the concentrations for the two treated groups was 4.95 and 4.33 d for the low and high concentrations, respectively. Greater than 95% of the tissue concentrations were eliminated from the exposed fish after the 14- and 18-d elimination periods. The estimated values of the bioconcentration factor were 42 L/kg for the low-concentration group and 41 L/kg for high-concentration group, and these values were not significantly different (a = 0.05). Avermectin B does not strongly bioconcentrate in individual aquatic organism and would not be expected to biomagnify in the food chain.
pA  
A01 01  1    @0 0730-7268
A02 01      @0 ETOCDK
A03   1    @0 Environ. toxicol. chem.
A05       @2 24
A06       @2 2
A08 01  1  ENG  @1 Bioconcentration and elimination of avermectin B1 in sturgeon
A11 01  1    @1 JIANZHONG SHEN
A11 02  1    @1 QIDI ZHANG
A11 03  1    @1 SHUANGYANG DING
A11 04  1    @1 SUXIA ZHANG
A11 05  1    @1 COATS (Joel R.)
A14 01      @1 Department of Pharmacology and Toxicology, College of Veterinary Medicine, China Agricultural University @2 Beijing 100094 @3 CHN @Z 1 aut. @Z 2 aut. @Z 3 aut. @Z 4 aut.
A14 02      @1 Pesticide Toxicology Laboratory, Department of Entomology, Iowa State University @2 Ames, Iowa 50011 @3 USA @Z 5 aut.
A20       @1 396-399
A21       @1 2005
A23 01      @0 ENG
A43 01      @1 INIST @2 19956 @5 354000126563860190
A44       @0 0000 @1 © 2005 INIST-CNRS. All rights reserved.
A45       @0 15 ref.
A47 01  1    @0 05-0233273
A60       @1 P @3 CC
A61       @0 A
A64 01  1    @0 Environmental toxicology and chemistry
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C01 01    ENG  @0 The bioconcentration and elimination of avermectin B1 in sturgeon muscle were investigated with high-performance liquid chromatography. Mean concentrations of 0.2 and I ng.ml-1 in water were maintained for a 22-d exposure period. The concentrations of avermectin B in muscle tissues reached steady state within 14 to 18 d. The level of avermectin B1 concentrations in the fish muscles was 7.75 ± 0.88 and 38.29 ± 1.65 ng.g-1 for the low and high concentrations, respectively, on day 22. The half-life (t1/2) of the concentrations for the two treated groups was 4.95 and 4.33 d for the low and high concentrations, respectively. Greater than 95% of the tissue concentrations were eliminated from the exposed fish after the 14- and 18-d elimination periods. The estimated values of the bioconcentration factor were 42 L/kg for the low-concentration group and 41 L/kg for high-concentration group, and these values were not significantly different (a = 0.05). Avermectin B does not strongly bioconcentrate in individual aquatic organism and would not be expected to biomagnify in the food chain.
C02 01  X    @0 002A14D05A
C03 01  X  FRE  @0 Accumulation biologique @5 01
C03 01  X  ENG  @0 Biological accumulation @5 01
C03 01  X  SPA  @0 Acumulación biológica @5 01
C03 02  X  FRE  @0 Elimination @5 02
C03 02  X  ENG  @0 Elimination @5 02
C03 02  X  SPA  @0 Eliminación @5 02
C03 03  X  FRE  @0 Avermectine @5 03
C03 03  X  ENG  @0 Avermectins @5 03
C03 03  X  SPA  @0 Avermectina @5 03
C03 04  X  FRE  @0 Ecotoxicologie @5 04
C03 04  X  ENG  @0 Ecotoxicology @5 04
C03 04  X  SPA  @0 Ecotoxicología @5 04
C03 05  X  FRE  @0 Acipenser sturio @2 NS @5 55
C03 05  X  ENG  @0 Acipenser sturio @2 NS @5 55
C03 05  X  SPA  @0 Acipenser sturio @2 NS @5 55
C07 01  X  FRE  @0 Pisces @2 NS @5 29
C07 01  X  ENG  @0 Pisces @2 NS @5 29
C07 01  X  SPA  @0 Pisces @2 NS @5 29
C07 02  X  FRE  @0 Vertebrata @2 NS
C07 02  X  ENG  @0 Vertebrata @2 NS
C07 02  X  SPA  @0 Vertebrata @2 NS
C07 03  X  FRE  @0 Acipenseridae @4 INC @5 70
N21       @1 157
N44 01      @1 OTO
N82       @1 OTO

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Pascal:05-0233273

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<div type="abstract" xml:lang="en">The bioconcentration and elimination of avermectin B
<sub>1</sub>
in sturgeon muscle were investigated with high-performance liquid chromatography. Mean concentrations of 0.2 and I ng.ml
<sup>-1</sup>
in water were maintained for a 22-d exposure period. The concentrations of avermectin B
<sub></sub>
in muscle tissues reached steady state within 14 to 18 d. The level of avermectin B
<sub>1</sub>
concentrations in the fish muscles was 7.75 ± 0.88 and 38.29 ± 1.65 ng.g
<sup>-1</sup>
for the low and high concentrations, respectively, on day 22. The half-life (t
<sub>1</sub>
/2) of the concentrations for the two treated groups was 4.95 and 4.33 d for the low and high concentrations, respectively. Greater than 95% of the tissue concentrations were eliminated from the exposed fish after the 14- and 18-d elimination periods. The estimated values of the bioconcentration factor were 42 L/kg for the low-concentration group and 41 L/kg for high-concentration group, and these values were not significantly different (a = 0.05). Avermectin B
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<sub>1</sub>
in sturgeon muscle were investigated with high-performance liquid chromatography. Mean concentrations of 0.2 and I ng.ml
<sup>-1</sup>
in water were maintained for a 22-d exposure period. The concentrations of avermectin B
<sub></sub>
in muscle tissues reached steady state within 14 to 18 d. The level of avermectin B
<sub>1</sub>
concentrations in the fish muscles was 7.75 ± 0.88 and 38.29 ± 1.65 ng.g
<sup>-1</sup>
for the low and high concentrations, respectively, on day 22. The half-life (t
<sub>1</sub>
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