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人工饲养倒刺鲃幼鱼的野化训练

任开元 沈修俊 王明云 石小涛 刘国勇

任开元, 沈修俊, 王明云, 石小涛, 刘国勇. 人工饲养倒刺鲃幼鱼的野化训练[J]. 南方水产科学, 2020, 16(3): 18-24. doi: 10.12131/20190227
引用本文: 任开元, 沈修俊, 王明云, 石小涛, 刘国勇. 人工饲养倒刺鲃幼鱼的野化训练[J]. 南方水产科学, 2020, 16(3): 18-24. doi: 10.12131/20190227
Kaiyuan REN, Xiujun SHEN, Mingyun WANG, Xiaotao SHI, Guoyong LIU. Wild training of captive Spinibarbus denticulatus juveniles[J]. South China Fisheries Science, 2020, 16(3): 18-24. doi: 10.12131/20190227
Citation: Kaiyuan REN, Xiujun SHEN, Mingyun WANG, Xiaotao SHI, Guoyong LIU. Wild training of captive Spinibarbus denticulatus juveniles[J]. South China Fisheries Science, 2020, 16(3): 18-24. doi: 10.12131/20190227

人工饲养倒刺鲃幼鱼的野化训练

doi: 10.12131/20190227
基金项目: 国家自然科学基金项目 (51179096;51709152);湖北省高等学校优秀中青年科技创新团队计划鱼类过坝技术项目 (T201703);三峡库区生态环境教育部工程研究中心开放基金 (KF2015-07;KF2015-09)
详细信息
    作者简介:

    任开元 (1996—),男,硕士研究生,研究方向为鱼类生态学。E-mail: 953301528@qq.com

    通讯作者:

    刘国勇 (1972—),男,博士,副教授,从事鱼类生态学研究。E-mail: 278113027@qq.com

  • 中图分类号: Q 959.4

Wild training of captive Spinibarbus denticulatus juveniles

  • 摘要:

    为了探讨追赶训练对鱼类野化能力的影响,以倒刺鲃 (Spinibarbus denticulatus) 幼鱼为试验对象,采用鳜鱼塑料模型进行每天2次、每次5 min的追赶训练,研究了追赶训练7和15 d对倒刺鲃躲避模拟捕食者的逃逸时间、临界游泳速度(Ucrit)、摄食比率、特定生长率等指标的影响。结果显示,追赶训练7和15 d后倒刺鲃躲避模拟捕食者的逃逸时间显著低于对照组 (P<0.05),摄食比率显著高于对照组 (P<0.05)。追赶训练7 d后的Ucrit与对照组无显著性差异 (P>0.05),但追赶训练15 d后的Ucrit显著高于对照组 (P<0.05),而追赶训练15 d后的特定生长率相较对照组无显著性差异 (P>0.05)。研究表明,采用该方法训练15 d后能提高倒刺鲃幼鱼的反捕食能力和游泳能力等与野外生存相关的行为能力,同时并不降低幼鱼的生长。追赶训练15 d的野化效果优于7 d。

  • 图  1  躲避捕食者行为测试装置

    H. 藏匿区;A. 适应区

    Figure  1.  Experimental device used in escape response under a simulated predator attack

    H. Refuge zone; A. Adaption zone

    图  2  临界游泳速度测试水槽

    A. 变频器;B. 电动机;C. 恒温器;D. 整流器;E. 游泳区;F. 拦网;G. 螺旋桨

    Figure  2.  Critical swimming speed test flume

    A.Transducer; B. Motor power; C. Thermostat; D. Flow streamen; E. Swimming tunel; F. Blocking net; G. Propeller

    图  3  追赶训练对倒刺鲃幼鱼行为指标及生长的影响 (平均值±标准误)

    A. 逃逸时间;B. 转入到测试玻璃箱后30和90 min的摄食比率;C. 临界游泳速度;Cont. 对照;CT7. 追赶训练7 d;CT15. 追赶训练15 d;方柱上不同小写字母表示相互之间有显著性差异 (P<0.05)

    Figure  3.  Effect of chasing training on behavioral indices and growth performance of in S. denticulatus $(\overline { X}{ \pm {\rm{SE}}}) $

    A. Escape time; B. Foraging rate after 30 and 90 min post-transport; C. Critical swimming speed (Ucrit); Cont. Control; CT7. Chasing training of 7 d; CT15. Chasing training of 5 d; values with different letters on the bar are significantly different between treatments (P<0.05).

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出版历程
  • 收稿日期:  2019-11-07
  • 修回日期:  2019-11-30
  • 录用日期:  2020-02-22
  • 网络出版日期:  2020-09-28
  • 刊出日期:  2020-06-05

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