动物营养学报 >

2020 , Vol. 32 >Issue 1: 455 - 462

DOI: https://doi.org/10.3969/j.issn.1006-267x.2020.01.053

研究简报 SHORT COMMUNICATION

饲料维生素C添加水平对杂交鲟幼鱼生长性能、肌肉品质和抗氧化指标的影响

  • 吴金平 ,
  • 阮瑞 ,
  • 陈细华 ,
  • 褚志鹏 ,
  • 李艳 ,
  • 杨文杰
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  • 中国水产科学研究院长江水产研究所, 农业农村部淡水生物多样性保护重点实验室, 武汉 430223
吴金平(1989-),男,湖北武汉人,助理研究员,硕士,从事鲟鱼营养与饲料研究。E-mail:Wujinping@yfi.ac.cn

收稿日期: 2019-06-20

  网络出版日期: 2020-01-19

基金资助

现代农业产业技术体系专项资金（CARS-46）

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Effects of Dietary Vitamin C Supplemental Level on Growth Performance, Muscle Quality and Antioxidant Indices of Juvenile Hybrid Sturgeon (Acipenser schrenckii×Acipenser baeri)

  • WU Jinping ,
  • RUAN Rui ,
  • CHEN Xihua ,
  • CHU Zhipeng ,
  • LI Yan ,
  • YANG Wenjie
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  • Key Laboratory of Freshwater Biodiversity Conservation of Ministry of Agriculture, Yangtze River Fisheries Research Institute, Chinese Academy of Fishery, Wuhan 430223, China

Received date: 2019-06-20

  Online published: 2020-01-19

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摘要

本试验旨在研究饲料维生素C添加水平对杂交鲟（Acipenser schrenckii×Acipenser baeri）幼鱼生长性能、肌肉品质和抗氧化指标的影响。选取健康的初始体质量为（50.47±0.90）g的杂交鲟幼鱼180尾，随机分为4组，每组3个重复，每个重复15尾鱼。各组分别投喂维生素C添加水平为0、200、800和4 800 mg/kg的试验饲料。试验期84 d。结果表明：1）饲料维生素C添加水平对杂交鲟幼鱼的增重率、饲料系数、肝体比、脏体比、肥满度和成活率均无显著影响（P>0.05）。2）饲料维生素C添加水平对杂交鲟幼鱼的肌肉凝聚性和弹性无显著影响（P>0.05）。200、800、4 800 mg/kg维生素C组的肌肉硬度显著高于0 mg/kg维生素C组（P<0.05），800、4 800 mg/kg维生素C组的肌肉回复性显著高于0 mg/kg维生素C组（P<0.05），800、4 800 mg/kg维生素C组的肌肉黏性显著高于0、200 mg/kg维生素C组（P<0.05），800、4 800 mg/kg维生素C组的肌肉咀嚼性显著高于0 mg/kg维生素C组（P<0.05）。3）饲料维生素C添加水平对杂交鲟幼鱼的肌肉粗蛋白质、水分、粗灰分和粗脂肪含量无显著影响（P>0.05）。4）4 800 mg/kg维生素C组的肌肉总超氧化物歧化酶活性显著高于0、200 mg/kg维生素C组（P<0.05），800 mg/kg维生素C组的肌肉总抗氧化能力显著高于0 mg/kg维生素C组（P<0.05），4 800 mg/kg维生素C组的肌肉丙二醛含量显著低于0、200、800 mg/kg维生素C组（P<0.05）。由此可见，饲料中添加800 mg/kg维生素C对杂交鲟幼鱼的生长性能和肌肉营养成分没有显著影响，但能改善杂交鲟幼鱼的肌肉品质，并增强鱼体的抗氧化性能。

关键词： 杂交鲟; 维生素C; 生长性能; 肌肉质构; 肌肉成分; 抗氧化性能

本文引用格式

吴金平 , 阮瑞 , 陈细华 , 褚志鹏 , 李艳 , 杨文杰 . 饲料维生素C添加水平对杂交鲟幼鱼生长性能、肌肉品质和抗氧化指标的影响[J]. 动物营养学报, 2020 , 32(1) : 455 -462 . DOI: 10.3969/j.issn.1006-267x.2020.01.053

Abstract

This experiment was conducted to study the effects of dietary vitamin C supplemental level on growth performance, muscle quality and antioxidant indices of juvenile hybrid sturgeon (Acipenser schrenckii×Acipenser baeri). A total of 180 healthy juvenile hybrid sturgeon with initial body weight of (50.47±0.90) g were randomly divided into 4 groups with 3 replicates per group and 15 fish per replicate. Fish in the four groups were fed the beasl diets supplemented with 0, 200, 800 and 4 800 mg/kg vitamin C, respectively. The experiment lasted for 84 days. The results showed as follows:1) dietary vitamin C supplemental level had no significant effects on weight gain rate, feed conversion rate, viscerosomatic index, hepatosomatic index, condition factor and survival rate of juvenile hybrid sturgeon (P>0.05). 2) Dietary vitamin C supplemental level had no significant effects on muscle cohesiveness and springiness of juvenile hybrid sturgeon (P>0.05). The muscle hardness of 200, 800 and 4 800 mg/kg vitamin C groups was significantly higher than that of 0 mg/kg vitamin C group (P<0.05), the muscle resilience of 800 and 4 800 mg/kg vitamin C groups was significantly higher than that of 0 mg/kg vitamin C group (P<0.05), the muscle gumminess of 800 and 4 800 mg/kg vitamin C groups was significantly higher than that of 0 and 200 mg/kg vitamin C groups (P<0.05), and the muscle chewiness of 800 and 4 800 mg/kg vitamin C groups was significantly higher than that of 0 mg/kg vitamin C group (P<0.05). 3) Dietary vitamin C supplemental level had no significant effects on the contents of crude protein, moisture, ash and crude lipid in muscle of juvenile hybrid sturgeon (P>0.05). 4) The muscle total superoxide dismutase activity of 4 800 mg/kg vitamin C group was significantly higher than that of 0 and 200 mg/kg vitamin C groups (P<0.05), the muscle total antioxidant capacity of 800 mg/kg vitamin C group was significantly higher than that of 0 mg/kg vitamin C group (P<0.05), and the muscle malondialdehyde content of 4 800 mg/kg vitamin C group was significantly lower than that of 0, 200 and 800 mg/kg vitamin C groups (P<0.05). In conclusion, diet supplemented with 800 mg/kg vitamin C has no significant effects on growth performance and muscle nutrient composition of juvenile hybrid sturgeon, however, it can improve the muscle quality and antioxidant capacity of juvenile hybrid sturgeon.

Key words： hybrid sturgeon (Acipenser schrenckii×Acipenser baeri); vitamin C; growth performance; muscle texture; muscle composition; antioxidant capacity

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