水产动物营养与饲料 AQUATIC ANIMAL NUTRITION AND FEED

投喂频率对黄颡鱼幼鱼生长性能、化学成分、消化酶活性和氨基酸组成的影响

  • 冯鹏霏 ,
  • 马华威 ,
  • 何金钊 ,
  • 唐东姣 ,
  • 陈秀荔 ,
  • 陈涛 ,
  • 余艳玲 ,
  • 彭敏 ,
  • 杨春玲 ,
  • 潘传燕
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  • 1. 广西壮族自治区水产科学研究院, 广西水产遗传育种与健康养殖重点实验室, 南宁 530021;
    2. 广西壮族自治区水产引育种中心, 南宁 530031;
    3. 全州县全州镇水产畜牧兽医站, 桂林 541599;
    4. 南宁学院, 南宁 530299
冯鹏霏(1977-),女,广西岑溪人,高级工程师,学士,研究方向为水产动物营养与饲料。E-mail:1711455922@qq.com

收稿日期: 2021-03-12

  网络出版日期: 2021-10-16

基金资助

南宁市科学研究与技术开发计划项目(20192061)

Effects of Feeding Frequency on Growth Performance, Chemical Composition, Digestive Enzyme Activities and Amino Acid Composition of Juvenile Pelteobagrus fulvidraco

  • FENG Pengfei ,
  • MA Huawei ,
  • HE Jinzhao ,
  • TANG Dongjiao ,
  • CHEN Xiuli ,
  • CHEN Tao ,
  • YU Yanling ,
  • PENG Min ,
  • YANG Chunling ,
  • PAN Chuanyan
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  • 1. Guangxi Key Laboratory of Aquatic Genetic Breeding and Healthy Aquaculture, Guangxi Academy of Fishery Sciences, Nanning 530021, China;
    2. Guangxi Aquaculture Introduction and Breeding Center, Nanning 530031, China;
    3. Quanzhouzhen Aquatic Animal Husbandry Veterinary Station of Quanzhou, Guilin 541599, China;
    4. Nanning University, Nanning 530299, China

Received date: 2021-03-12

  Online published: 2021-10-16

Supported by

 

摘要

本试验旨在研究投喂频率对黄颡鱼幼鱼生长性能、化学成分、消化酶活性和氨基酸组成的影响。选用720尾体重为(2.0±0.1) g的健康黄颡鱼幼鱼,随机分为3组,每组3个重复,每个重复60尾鱼。3个试验组的投喂频率分别为1(F1组)、2(F2组)、3次/d (F3组)。试验期为8周。结果表明:1) F1组的成活率和增重率显著低于F2和F3组(P<0.05),饲料系数显著高于F2和F3组(P<0.05)。2) F2组的全鱼水分含量显著低于F1组(P<0.05),F1组的全鱼粗蛋白质和粗脂肪含量显著低于F2和F3组(P<0.05)。3) F1组的胃和肠道胰蛋白酶、α-淀粉酶和脂肪酶活性均显著高于F2和F3组(P<0.05)。4) F2和F3组的肌肉总氨基酸、天门冬氨酸、苏氨酸、赖氨酸、组氨酸和谷氨酸含量显著高于F1组(P<0.05),肌肉精氨酸含量显著低于F1组(P<0.05)。F2组的肌肉缬氨酸含量显著高于F1和F3组(P<0.05)。F2组的肌肉亮氨酸和异亮氨酸含量显著高于F1组(P<0.05)。F3组的肌肉脯氨酸含量显著高于F1组(P<0.05)。由此可见,从促进黄颡鱼幼鱼生长、提高饲料利用率和鱼肉品质的角度考虑,黄颡鱼幼鱼的适宜投喂频率为2次/d。

本文引用格式

冯鹏霏 , 马华威 , 何金钊 , 唐东姣 , 陈秀荔 , 陈涛 , 余艳玲 , 彭敏 , 杨春玲 , 潘传燕 . 投喂频率对黄颡鱼幼鱼生长性能、化学成分、消化酶活性和氨基酸组成的影响[J]. 动物营养学报, 2021 , 33(10) : 5794 -5801 . DOI: 10.3969/j.issn.1006-267x.2021.10.038

Abstract

This experiment was conducted to investigate the effects of feeding frequency on growth performance, chemical composition, digestive enzyme activities and amino acid composition of juvenile Pelteobagrus fulvidraco. A total of 720 healthy juvenile Pelteobagrus fulvidraco with initial body weight of (2.0±0.1) g were randomly divided into 3 groups with 3 replicates per group and 60 fish per replicate. The feeding frequencies in three experimental groups were 1 (F1 group), 2 (F2 group) and 3 times per day (F3 group), respectively. The experiment lasted for 8 weeks. The results showed as follows:1) the survival rate and weight gain rate in F1 group were significantly lower than those in F2 and F3 groups (P<0.05), and the feed conversion ratio was significantly higher than that in F2 and F3 groups (P<0.05). 2) The whole body moisture content in F2 group was significantly lower than that in F1 group (P<0.05), and the contents of crude protein and ether extract in whole body in F1 group were significantly lower than those in F2 and F3 groups (P<0.05). 3) The activities of trypsin, α-amylase and lipase in stomach and intestine in F1 group were significantly higher than those in F2 and F3 groups (P<0.05). 4) The contents of total amino acids, aspartic acid, threonine, lysine, histidine and glutamate in muscle in F2 and F3 groups were significantly higher than those in F1 group (P<0.05), and the muscle arginine content was significantly lower than that in F1 group (P<0.05). The muscle valine content in F2 group was significantly higher than that in F1 and F3 groups (P<0.05). The contents of leucine and isoleucine in muscle in F2 group were significantly higher than those in F1 group (P<0.05). The muscle proline content in F3 group was significantly higher than that in F1 group (P<0.05). In conclusion, according to promote the growth, improve feed utilization and meat quality of juvenile Pelteobagrus fulvidraco, the appropriate feeding frequency for juvenile Pelteobagrus fulvidraco is 2 times per day.

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