广西师范大学学报(自然科学版) ›› 2012, Vol. 30 ›› Issue (4): 92-97.

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尼奥罗非鱼杂交配套系耐寒和生长性能的选育

张永德1, 林勇1, 唐章生1, 黄姻1, 杨慧赞1, 曾兰1, 陈忠1, 彭婷1,2, 张妍1,3   

  1. 1.广西水产研究所广西水产遗传育种与健康养殖重点实验室,广西南宁 530021;
    2.广西大学动物科学技术学院,广西南宁 530007;
    3.广西师范大学生命科学学院,广西桂林 541004
  • 收稿日期:2012-09-21 发布日期:2018-11-27
  • 通讯作者: 林勇(1968—),男,广西玉林人,广西水产研究所研究员。E-mail:linnn2005@126.com
  • 基金资助:
    国家科技支撑计划课题(2008BADB9B02);国家农业现代产业体系广西罗非鱼创新团队专项;广西科学研究技术与开发计划项目(桂科攻0992013-8;桂科攻10100007-1;桂科转1123013-1);广西自然科学基金资助项目(0832010Z);广西区直属公益性科研院所基本科研业务专项资金项目(2060302GXIF-2010-03;2060302-GXIF-2011-05);广西水产畜牧兽医局科研专项(桂渔牧财[2010]58号)

Breeding of Cold Tolerance and Growth Performance of O.mossambicus× O.niloticus Hybrid lines

ZHANG Yong-de1, LIN Yong1, TANG Zhang-sheng1, HUANG Yin1, YANG Hui-zan1, ZENG Lan1, CHEN Zhong1, PENG Ting1,2, ZHANG Yan1,3   

  1. 1.Guangxi Key Laboratory of Aquatic Genetic Breeding and Healthy Aquaculture,Guangxi Institute of Fisheries, Nanning Guangxi 530021,China;
    2.College of Animal Science and Technology,Guangxi University,Nanning Guangxi 530007,China;
    3.College of Life Science,Guangxi Normal University,Guilin Guangxi 541004,China
  • Received:2012-09-21 Published:2018-11-27

摘要: 以埃及品系尼罗罗非鱼家系的雌鱼作为母本,美国品系奥利亚罗非鱼家系的雄鱼作为父本进行杂交配对。通过耐寒与生长性能评价及低温选育,筛选获得亲本后,以巢式配对的方法(雌雄比例3∶1)配对尼奥罗非鱼杂交家系,获得F1代家系36个。耐寒和生长性能结果表明,F1代31个尼奥家系平均半致死温度为7.45 °C,比自然种群降低8.81%,平均相对存活率提高17.6%,平均生长速度提高13.2%。获得综合性能优秀的F1代耐寒型尼奥罗非鱼杂交配套系组合2个(F1CT0401、F1CT0203),其平均半致死温度分别为7.02和7.24 °C,低温死亡率分别为40.50%和49.5%,比自然种群杂交尼奥罗非鱼降低17.4%和11.35%,相对死亡率降低30.0%和26.9%,产量分别提高12.9%和38.7%。示范养殖F1代耐寒型尼奥罗非鱼成活率为(84.39±6.65)%,平均产量(1 220.20±94.77) kg/667 m2,平均规格(723.0±101.2) g;与对照组相比,示范池塘的耐寒型尼奥罗非鱼越冬死亡率降低了19.11%(P<0.05),平均每667 m2产量提高了36.59%(P<0.05)。耐寒和生长性能比自然种群有了大幅提高。

关键词: 尼奥罗非鱼, 杂交配套系, 耐寒性能, 生长性能, 选育

Abstract: To study the cold tolerance and growth performance ofO.mossambicus×O.niloticus hybrid lines,low-temperature stress test and growth comparison test were used to select the excellent pedigree of cold-tolerant Egyptian strainof Nile tilapia (female) and the America strains of Blue tilapia (male).Through the cold tolerance and growth performance evaluation and the low temperature breeding,breeding,parents Nile and Blue tilapia were obtained to crossbreeding.36 of F1 generation O.mossambicus×O.niloticus hybrid families were mated through nested paired method (the proportion of male and female was 3∶1).The results showed that,the mean Semi-lethal temperature of 31 families of O.mossambicus×O.niloticus hybrid F1 generation was 7.45 °C,and 8.81% lower thanin natural populations,the average relative survival rate and average growth speed increased by 17.6% and 13.2%,respectively.2 excellent F1 generation of crossbreeding combination (F1CT0401,F1CT0203) were obtained,and the mean Semi-lethaltemperature were by 7.02 °C and 7.24 °C,low mortality rates were 40.5% and 49.5%,respectively,which decreased 17.4% and 11.35% than in natural populationsof O.mossambicus×O.niloticus hybrid,the relative mortality decreased by30% and 26.9%,yield increased by 12.9% and 38.7% respectively.The survival rate was(84.39±6.65)% of farming demonstrated F1 generation cold tolerant O.mossambicus×O.niloticus hybrid,and the average produce was (1 220.20±94.77) (kg·667 m-2),the average size was (723.0±101.2) g.Compared with the control group,the overwintering mortality decreased by 19.11% (P<0.05)and the average yield increased by 36.59% (P<0.05).Thecold tolerance and growth properties of F1 O.mossambicus×O.niloticus hybrid had been greatly improved than the natural populations.

Key words: O.mossambicus×O.niloticus, crossbreeding system, cold tolerance, growth performance, selection and breeding

中图分类号: 

  • S917.4
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[1] 杜雪松,林勇,梁国琨,黄姻,宾石玉,陈忠,覃俊奇,赵怡. 两种罗非鱼的耐寒性能比较[J]. 广西师范大学学报(自然科学版), 2019, 37(3): 174-179.
[2] 杜雪松, 宾石玉, 林勇, 唐章生, 张永德, 曾兰, 杨慧赞, 陈忠. 基于ULCIZ和SIT的罗非鱼耐寒性能测定模型[J]. 广西师范大学学报(自然科学版), 2013, 31(4): 134-139.
[3] 陈忠, 唐章生, 林勇, 杨慧赞, 张永德, 黄姻, 彭婷, 张妍. 埃及品系尼罗罗非鱼三个世代耐寒性能的选育[J]. 广西师范大学学报(自然科学版), 2012, 30(2): 117-122.
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