Growth, body composition and intestinal enzyme activities of juvenile Jian carp (Cyprinus carpio var. Jian) fed graded levels of dietary zinc

Growth, body composition and intestinal enzyme activities of juvenile Jian carp (Cyprinus carpio var. Jian) fed graded levels of dietary zinc

A 6‐week trial was carried out with 900 juvenile Jian carp (Cyprinus carpio var. Jian) to investigate the effects of dietary zinc on growth, body composition and intestinal enzyme activities. Diets supplemented with increasing levels (15.3, 26.9, 40.8, 58.2, 68.9 and 92.5 mg Zn kg−1) of zinc lactate...

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Veröffentlicht in:Aquaculture nutrition 2011-06, Vol.17 (3), p.338-345
Hauptverfasser: TAN, L.-N., FENG, L., LIU, Y., JIANG, J., JIANG, W.-D., HU, K., LI, S.-H., ZHOU, X.-Q.
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body composition
Cyprinus carpio
Cyprinus carpio var. Jian
Freshwater
growth
intestinal enzyme activities
juvenile Jian carp
zinc
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container_end_page 345
container_issue 3
container_start_page 338
container_title Aquaculture nutrition
container_volume 17
creator TAN, L.-N.
FENG, L.
LIU, Y.
JIANG, J.
JIANG, W.-D.
HU, K.
LI, S.-H.
ZHOU, X.-Q.
description A 6‐week trial was carried out with 900 juvenile Jian carp (Cyprinus carpio var. Jian) to investigate the effects of dietary zinc on growth, body composition and intestinal enzyme activities. Diets supplemented with increasing levels (15.3, 26.9, 40.8, 58.2, 68.9 and 92.5 mg Zn kg−1) of zinc lactate were fed to Jian carp (mean initial weight 15.7 ± 0.01 g). Results indicated that per cent weight gain (PWG), feed efficiency (FE), protein efficiency ratio (PER) and lipid productive value (LPV) enhanced with dietary zinc levels up to 40.8 mg kg−1 diet (P  0.05). Feed intake (FI) was similar to that observed for PWG. Intestosomatic index (ISI), relative gut length (RGL), hepatopancreas protein content (HPC), intestine protein content (IPC), trypsin, chymotrypsin, lipase, amylase, alkaline phosphatase (AKP), Na+, K+‐ATPase and γ‐glutamyl transpeptidase (γ‐GT) activities were all higher by dietary zinc supplementation than zinc un‐supplementation (P 
doi_str_mv 10.1111/j.1365-2095.2010.00793.x
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Jian) fed graded levels of dietary zinc</title><source>Wiley Online Library Journals Frontfile Complete</source><creator>TAN, L.-N. ; FENG, L. ; LIU, Y. ; JIANG, J. ; JIANG, W.-D. ; HU, K. ; LI, S.-H. ; ZHOU, X.-Q.</creator><creatorcontrib>TAN, L.-N. ; FENG, L. ; LIU, Y. ; JIANG, J. ; JIANG, W.-D. ; HU, K. ; LI, S.-H. ; ZHOU, X.-Q.</creatorcontrib><description>A 6‐week trial was carried out with 900 juvenile Jian carp (Cyprinus carpio var. Jian) to investigate the effects of dietary zinc on growth, body composition and intestinal enzyme activities. Diets supplemented with increasing levels (15.3, 26.9, 40.8, 58.2, 68.9 and 92.5 mg Zn kg−1) of zinc lactate were fed to Jian carp (mean initial weight 15.7 ± 0.01 g). Results indicated that per cent weight gain (PWG), feed efficiency (FE), protein efficiency ratio (PER) and lipid productive value (LPV) enhanced with dietary zinc levels up to 40.8 mg kg−1 diet (P &lt; 0.05), and plateaued thereafter (P &gt; 0.05). Feed intake (FI) was similar to that observed for PWG. Intestosomatic index (ISI), relative gut length (RGL), hepatopancreas protein content (HPC), intestine protein content (IPC), trypsin, chymotrypsin, lipase, amylase, alkaline phosphatase (AKP), Na+, K+‐ATPase and γ‐glutamyl transpeptidase (γ‐GT) activities were all higher by dietary zinc supplementation than zinc un‐supplementation (P &lt; 0.05). These results suggested that zinc could promote growth and increase nutrient deposition and intestinal enzyme activities. The dietary zinc requirements (use zinc lactate as zinc source) of juvenile Jian carp (15.7–42.2 g) based on PWG and serum zinc were 48.7 and 43.2 mg Zn kg−1 diet, respectively.</description><identifier>ISSN: 1353-5773</identifier><identifier>EISSN: 1365-2095</identifier><identifier>DOI: 10.1111/j.1365-2095.2010.00793.x</identifier><language>eng</language><publisher>Oxford, UK: Blackwell Publishing Ltd</publisher><subject>body composition ; Cyprinus carpio ; Cyprinus carpio var. 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Jian) fed graded levels of dietary zinc</title><title>Aquaculture nutrition</title><description>A 6‐week trial was carried out with 900 juvenile Jian carp (Cyprinus carpio var. Jian) to investigate the effects of dietary zinc on growth, body composition and intestinal enzyme activities. Diets supplemented with increasing levels (15.3, 26.9, 40.8, 58.2, 68.9 and 92.5 mg Zn kg−1) of zinc lactate were fed to Jian carp (mean initial weight 15.7 ± 0.01 g). Results indicated that per cent weight gain (PWG), feed efficiency (FE), protein efficiency ratio (PER) and lipid productive value (LPV) enhanced with dietary zinc levels up to 40.8 mg kg−1 diet (P &lt; 0.05), and plateaued thereafter (P &gt; 0.05). Feed intake (FI) was similar to that observed for PWG. Intestosomatic index (ISI), relative gut length (RGL), hepatopancreas protein content (HPC), intestine protein content (IPC), trypsin, chymotrypsin, lipase, amylase, alkaline phosphatase (AKP), Na+, K+‐ATPase and γ‐glutamyl transpeptidase (γ‐GT) activities were all higher by dietary zinc supplementation than zinc un‐supplementation (P &lt; 0.05). These results suggested that zinc could promote growth and increase nutrient deposition and intestinal enzyme activities. The dietary zinc requirements (use zinc lactate as zinc source) of juvenile Jian carp (15.7–42.2 g) based on PWG and serum zinc were 48.7 and 43.2 mg Zn kg−1 diet, respectively.</description><subject>body composition</subject><subject>Cyprinus carpio</subject><subject>Cyprinus carpio var. Jian</subject><subject>Freshwater</subject><subject>growth</subject><subject>intestinal enzyme activities</subject><subject>juvenile Jian carp</subject><subject>zinc</subject><issn>1353-5773</issn><issn>1365-2095</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><recordid>eNo9kN1OxCAQhRujib_vwJ2a2EphKTTxRje6_kVjotF4Q2iZKmsX1tJdt76D7yzdNXIzA3POhPNFEUpxkoZzPE5SmrGY4JwlBIdXjHlOk8VatPU_WO97RmPGOd2Mtr0fY5wSwdlW9DNq3Ff7foQKpztUusnUedMaZ5GyGhnbgm-NVTUC-91NAKmyNfMgAI9chcazOVhTA7o2yqJSNVN0MOymjbEzv7wah-aqSZbzQ1SBRm-N0qHUMId6uUMbaFXToW9jy91oo1K1h72_uhM9XZw_Di_j2_vR1fD0Ni6poDTOSo51rigbkLwCPuBUcFGVgDkhFYMCVwUmeVGQHERGAKcsV1oUmgmmiGaY7kT7q73Txn3OQkQ5Mb6EulYW3MxLkXE-EHzQK09Wyq8Qs5Mh2iR8VqZY9vTlWPaQZQ9Z9vTlkr5cyNO7p9AEe7yyG9_C4t-umg-ZccqZfL4bydfhw8vNGX-QF_QXOxSL1A</recordid><startdate>201106</startdate><enddate>201106</enddate><creator>TAN, L.-N.</creator><creator>FENG, L.</creator><creator>LIU, Y.</creator><creator>JIANG, J.</creator><creator>JIANG, W.-D.</creator><creator>HU, K.</creator><creator>LI, S.-H.</creator><creator>ZHOU, X.-Q.</creator><general>Blackwell Publishing Ltd</general><scope>BSCLL</scope><scope>7TN</scope><scope>F1W</scope><scope>H95</scope><scope>H98</scope><scope>L.G</scope></search><sort><creationdate>201106</creationdate><title>Growth, body composition and intestinal enzyme activities of juvenile Jian carp (Cyprinus carpio var. 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Intestosomatic index (ISI), relative gut length (RGL), hepatopancreas protein content (HPC), intestine protein content (IPC), trypsin, chymotrypsin, lipase, amylase, alkaline phosphatase (AKP), Na+, K+‐ATPase and γ‐glutamyl transpeptidase (γ‐GT) activities were all higher by dietary zinc supplementation than zinc un‐supplementation (P &lt; 0.05). These results suggested that zinc could promote growth and increase nutrient deposition and intestinal enzyme activities. The dietary zinc requirements (use zinc lactate as zinc source) of juvenile Jian carp (15.7–42.2 g) based on PWG and serum zinc were 48.7 and 43.2 mg Zn kg−1 diet, respectively.</abstract><cop>Oxford, UK</cop><pub>Blackwell Publishing Ltd</pub><doi>10.1111/j.1365-2095.2010.00793.x</doi><tpages>8</tpages><oa>free_for_read</oa></addata></record>
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subjects body composition
Cyprinus carpio
Cyprinus carpio var. Jian
Freshwater
growth
intestinal enzyme activities
juvenile Jian carp
zinc
title Growth, body composition and intestinal enzyme activities of juvenile Jian carp (Cyprinus carpio var. Jian) fed graded levels of dietary zinc
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