Growth, digestive and absorptive capacity and antioxidant status in intestine and hepatopancreas of sub-adult grass carp Ctenopharyngodonidella fed graded levels of dietary threonine

BACKGROUND: This study was carried out to investigate effects of threonine levels on growth, digestive and absorptive capacity and antioxidant status in intestine and hepatopancreas of sub-adult grass carp (Ctenopharyngodonidella). RESULTS: Weight gain, specific growth rate, feed intake and feed eff...

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Autores principales: Hong, Yang, Jiang, Weidan, Kuang, Shengyao, Hu, Kai, Tang, Ling, Liu, Yang, Jiang, Jun, Zhang, Yongan, Zhou, Xiaoqiu, Feng, Lin
Formato: Online Artículo Texto
Lenguaje:English
Publicado: BioMed Central 2015
Materias:
Research
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4529687/
https://www.ncbi.nlm.nih.gov/pubmed/26257911
http://dx.doi.org/10.1186/s40104-015-0032-1
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author Hong, Yang
Jiang, Weidan
Kuang, Shengyao
Hu, Kai
Tang, Ling
Liu, Yang
Jiang, Jun
Zhang, Yongan
Zhou, Xiaoqiu
Feng, Lin
author_facet Hong, Yang
Jiang, Weidan
Kuang, Shengyao
Hu, Kai
Tang, Ling
Liu, Yang
Jiang, Jun
Zhang, Yongan
Zhou, Xiaoqiu
Feng, Lin
author_sort Hong, Yang
collection PubMed
description BACKGROUND: This study was carried out to investigate effects of threonine levels on growth, digestive and absorptive capacity and antioxidant status in intestine and hepatopancreas of sub-adult grass carp (Ctenopharyngodonidella). RESULTS: Weight gain, specific growth rate, feed intake and feed efficiency were significantly improved by dietary threonine (P < 0.05). Intestinal activities of trypsin, chymotrypsin, alpha-amylase, lipase, alkaline phosphatase, γ-glutamyl transpeptidase and creatine kinase took the similar trends. Contents of malondialdehyde and protein carbonyl in intestine and hepatopancreas were significantly decreased by dietary optimal threonine supplementation (P < 0.05). Anti-superoxide anion capacity, anti-hydroxyl radical capacity, glutathione content and activities of superoxide dismutase, catalase and glutathione-S-transferase in intestine and hepatopancreas were enhanced by dietary threonine (P < 0.05). CONCLUSIONS: Dietary threonine could improve growth, enhance digestive and absorptive capacity and antioxidant status in intestine and hepatopancreas of sub-adult grass carp. The dietary threonine requirement of sub-adult grass carp (441.9-1,013.4 g) based on weight gain was 11.6 g/kg diet or 41.5 g/kg of dietary protein by quadratic regression analysis.
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spelling pubmed-45296872015-08-09 Growth, digestive and absorptive capacity and antioxidant status in intestine and hepatopancreas of sub-adult grass carp Ctenopharyngodonidella fed graded levels of dietary threonine Hong, Yang Jiang, Weidan Kuang, Shengyao Hu, Kai Tang, Ling Liu, Yang Jiang, Jun Zhang, Yongan Zhou, Xiaoqiu Feng, Lin J Anim Sci Biotechnol Research BACKGROUND: This study was carried out to investigate effects of threonine levels on growth, digestive and absorptive capacity and antioxidant status in intestine and hepatopancreas of sub-adult grass carp (Ctenopharyngodonidella). RESULTS: Weight gain, specific growth rate, feed intake and feed efficiency were significantly improved by dietary threonine (P < 0.05). Intestinal activities of trypsin, chymotrypsin, alpha-amylase, lipase, alkaline phosphatase, γ-glutamyl transpeptidase and creatine kinase took the similar trends. Contents of malondialdehyde and protein carbonyl in intestine and hepatopancreas were significantly decreased by dietary optimal threonine supplementation (P < 0.05). Anti-superoxide anion capacity, anti-hydroxyl radical capacity, glutathione content and activities of superoxide dismutase, catalase and glutathione-S-transferase in intestine and hepatopancreas were enhanced by dietary threonine (P < 0.05). CONCLUSIONS: Dietary threonine could improve growth, enhance digestive and absorptive capacity and antioxidant status in intestine and hepatopancreas of sub-adult grass carp. The dietary threonine requirement of sub-adult grass carp (441.9-1,013.4 g) based on weight gain was 11.6 g/kg diet or 41.5 g/kg of dietary protein by quadratic regression analysis. BioMed Central 2015-08-08 /pmc/articles/PMC4529687/ /pubmed/26257911 http://dx.doi.org/10.1186/s40104-015-0032-1 Text en © Hong et al. 2015 Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.
spellingShingle Research
Hong, Yang
Jiang, Weidan
Kuang, Shengyao
Hu, Kai
Tang, Ling
Liu, Yang
Jiang, Jun
Zhang, Yongan
Zhou, Xiaoqiu
Feng, Lin
Growth, digestive and absorptive capacity and antioxidant status in intestine and hepatopancreas of sub-adult grass carp Ctenopharyngodonidella fed graded levels of dietary threonine
title Growth, digestive and absorptive capacity and antioxidant status in intestine and hepatopancreas of sub-adult grass carp Ctenopharyngodonidella fed graded levels of dietary threonine
title_full Growth, digestive and absorptive capacity and antioxidant status in intestine and hepatopancreas of sub-adult grass carp Ctenopharyngodonidella fed graded levels of dietary threonine
title_fullStr Growth, digestive and absorptive capacity and antioxidant status in intestine and hepatopancreas of sub-adult grass carp Ctenopharyngodonidella fed graded levels of dietary threonine
title_full_unstemmed Growth, digestive and absorptive capacity and antioxidant status in intestine and hepatopancreas of sub-adult grass carp Ctenopharyngodonidella fed graded levels of dietary threonine
title_short Growth, digestive and absorptive capacity and antioxidant status in intestine and hepatopancreas of sub-adult grass carp Ctenopharyngodonidella fed graded levels of dietary threonine
title_sort growth, digestive and absorptive capacity and antioxidant status in intestine and hepatopancreas of sub-adult grass carp ctenopharyngodonidella fed graded levels of dietary threonine
topic Research
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4529687/
https://www.ncbi.nlm.nih.gov/pubmed/26257911
http://dx.doi.org/10.1186/s40104-015-0032-1
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