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Effect of high dietary copper on growth, antioxidant and lipidmetabolism enzymes of juvenile larger yellow croaker Larimichthyscroceus

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A study was carried out to test the responses of juvenile larger yellow croaker Larimichthys croceus to highCu intake. Experimental diets were formulated containing three levels of Cu: low Cu (3.67 mg/kg), middleCu (13.65 mg/kg) and high Cu (25.78 mg/kg), and each diet were fed to large yellow croaker in triplicatefor 10 weeks. Final body weight, weight gain and feed intake were the lowest in high Cu group, buthepatosomatic index was the highest; Cu concentrations in the whole-body, muscle and liver of fish fedlow Cu diet was the lowest; Liver superoxide dismutase, catalase and glutathione peroxidase activities infish fed high Cu diet were lower than those in fish fed other diets; The higher content of liver thiobarbituricacid reactive substance content was found in high Cu group, followed by middle Cu group, and the lowestin low Cu group; Liver 6-phosphogluconate dehydrogenase, glucose-6-phosphate dehydrogenase, malicenzyme, isocitrate dehydrogenase and fatty acid synthase activities were the lowest in high Cu group, butlipoprotein lipase activity was the highest. This study indicated that high copper intake reduced growthof juvenile larger yellow croaker, inhibited activities of antioxidant enzymes and lipid synthetases, andled to energy mobilization.

Keywords:Larger yellow croakerCopperAntioxidant enzymeLipid metabolism enzymea

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Ketersediaan

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Informasi Detail

Judul Seri

Aquaculture Reports

No. Panggil

-

Penerbit

: Elsevier., 2016

Deskripsi Fisik

Aquaculture Reports 3 (2016) 131–135

Bahasa

English

ISBN/ISSN

-

Klasifikasi

NONE

Tipe Isi

-

Tipe Media

-

Tipe Pembawa

-

Edisi

3 ( 2016 )

Subjek

KIMIA

Info Detail Spesifik

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Pernyataan Tanggungjawab

Wati/Agus

Versi lain/terkait

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