研究简报 Short Communications

杜仲皮水提物对虹鳟生长和肌肉品质、质构特性的影响

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  • 1. 贵州大学动物科学学院, 贵阳 550025;
    2. 高原山地动物遗传育种与繁殖教育部重点实验室(贵州大学), 贵阳 550025;
    3. 宁波大学海洋学院, 宁波 315211;
    4. 中国水产科学研究院 黑龙江水产研究所, 哈尔滨 150070;
    5. 北京市水产技术推广站, 北京 100176;
    6. 贵州省动物疫病与兽医公共卫生重点实验室, 贵阳 550025
张安青(1992-),男,贵州凯里人,硕士研究生,从事水生动物营养研究。E-mail:572097317@qq.com

收稿日期: 2018-09-14

  网络出版日期: 2019-04-16

基金资助

国家现代农业产业技术体系专项资金(CARS-46);贵州省科技支撑计划项目(黔科合支撑[2016]2502号,[2016]2511号,[2017]2532号);贵州省科技平台及人才团队计划(黔科合平台人才[2018]5253);贵州省科技创新人才团队项目(黔科合人才团队[2015]4016号);北京市鲟鱼、鲑鳟鱼创新团队项目(BAIC08-2018)

Effects of Eucommia ulmoides Oliver Bark Aqueous Extract on Growth and Muscle Quality and Texture Characteristics of Rainbow Trout (Oncorhynchus mykiss)

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  • 1. College of Animal Sciences, Guizhou University, Guiyang 550025, China;
    2. Breeding and Reproduction in The Plateau Mountainous Region, Ministry of Education(Guizhou University), Guiyang 550025, China;
    3. University Faculty of Marine Sciences, Ningbo University, Ningbo 315211, China;
    4. Heilongjiang River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Harbin 150070, China;
    5. Beijing Fisheries Technical Extention Station, Beijing 100176, China;
    6. Key Laboratory of Animal Diseases and Veterinary Public Health in Guizhou Province, Guiyang 550025, China

Received date: 2018-09-14

  Online published: 2019-04-16

摘要

本试验旨在研究杜仲皮水提物对虹鳟(Oncorhynchus mykiss)生长和肌肉品质、质构特性的影响。选取体质健康、平均体重(145.56±4.12)g的虹鳟450尾,随机分为5个组,每组3个重复,每个重复30尾。各组分别在基础饲料中添加浓度为0(对照组)、0.5%、1.0%、2.0%和4.0%的杜仲皮水提物。试验期为10周。结果表明:1)各组之间终末体重、增重率、成活率、特定生长率均无显著差异(P>0.05)。2)各组间肌肉pH45 min、pH24 h均无显著差异(P>0.05)。对照组肌肉pH下降率最高,且显著高于2.0%和4.0%组(P<0.05),0.5%和1.0%组显著高于4.0%组(P<0.05)。3)各组间肌肉离心失水率、冷冻渗出率均无显著差异(P>0.05),1.0%组肌肉滴水损失显著高于其他各组(P<0.05)。4)4.0%组肌肉弹力和弹性显著高于对照组(P<0.05),4.0%组肌肉胶着性和咀嚼性显著高于1.0%组(P<0.05),4.0%组肌肉内聚性显著高于1.0%、2.0%和对照组(P<0.05)。5)1.0%和4.0%组肌肉肌纤维直径显著低于对照组(P<0.05)。肌肉肌纤维密度随着杜仲皮水提物浓度的增加而增大,0.5%、1.0%、2.0%和4.0%组之间肌纤维密度无显著差异(P>0.05),但均显著高于对照组(P<0.05)。综合以上各项指标,建议饲料中添加浓度为4.0%杜仲皮水提物以改善虹鳟肌肉品质。

本文引用格式

张安青, 姜海波, 安苗, 黎明, 王常安, 邵俭, 王静波, 文明, 程振涛 . 杜仲皮水提物对虹鳟生长和肌肉品质、质构特性的影响[J]. 动物营养学报, 2019 , 31(4) : 1943 -1951 . DOI: 10.3969/j.issn.1006-267x.2019.04.055

Abstract

This experiment was conducted to study the effects of Eucommia ulmoides Oliver bark aqueous extract on growth and muscle quality and texture characteristics of rainbow trout (Oncorhynchus mykiss). A total of 450 healthy rainbow trout with an average body weight of (145.56±4.12) g were randomly divided into 5 groups with 3 replicates per group and 30 fish per replicate. Fish in the 5 groups were fed the basal diets supplemented with Eucommia ulmoides Oliver bark aqueous extract at the concentrations of 0 (control group), 0.5%, 1.0%, 2.0% and 4.0%, respectively. The experiment lasted for 10 weeks. The results showed as follows:1) there were no significant difference in the final body weight, weight gain rate, specific growth rate and survival rate among all groups (P>0.05). 2) There were no significant differences in the muscle pH45 min and pH24 h among all groups (P>0.05). The muscle pH descent rate of the control group was the highest, and significantly higher than that of 2.0% and 4.0% groups (P<0.05), and the muscle pH descent rate of 0.5% and 1.0% groups was significantly higher than that of 4.0% group (P<0.05). 3) There were no significant differences in the water losing ratio and thawing loss rate in muscle among all groups (P>0.05), while the muscle drip loss of 1.0% group was significantly higher than that of other groups (P<0.05). 4) The muscle elastic force and springiness of 4.0% group were significantly higher than those of the control group (P<0.05), the muscle gumminess and chewiness of 4.0% group were significantly higher than those of 1.0% group (P<0.05), and the muscle cohesiveness of 4.0% group was significantly higher than that of 1.0%, 2.0% groups and control group (P<0.05). 5) The muscle myofiber diameter of 1.0 and 4.0% groups was significantly lower than that of the control group (P<0.05). The muscle myofiber density was increased with the Eucommia ulmoides Oliver bark aqueous extract concentration increased, there were no significant differences in the muscle myofiber density among 0.5%, 1.0%, 2.0% and 4.0% groups (P>0.05), but that of 0.5%, 1.0%, 2.0% and 4.0% groups was significantly higher than that of the control group (P<0.05). In conclusion, it was suggested that added 4% Eucommia ulmoides Oliver bark aqueous extract can effectively improve the muscle quality of rainbow trout.

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