养殖条件下山女鳟银化体色个体生产性状
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基金项目:

农业部淡水鱼类遗传育种和养殖生物学重点开放实验室开放课题(No.BZ2009-18),中央级高校及科研院所基本科研业务费专项资金(No.2009HSYZX-YY-10),公益性行业科研专项经费——冷水性鱼类养殖产业化研究与示范(No.201003055)


Properties of Silvering Salmon in Oncorhynchus masou masou Population under Aquaculture Condition
Author:
  • ZHANG Yu-Yong

    ZHANG Yu-Yong

    Key Laboratory of Genetic Breeding and Aquaculture Biology of Freshwater Fishes, Ministry of Agriculture, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi 214081;Key Opening Laboratory of Cold-Water Fish Germplasm Resource and Aquaculture & Enhancement, Heilongjiang Province, Heilongjiang River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Harbin 150070, China
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  • JIA Zhi-Ying

    JIA Zhi-Ying

    Key Opening Laboratory of Cold-Water Fish Germplasm Resource and Aquaculture & Enhancement, Heilongjiang Province, Heilongjiang River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Harbin 150070, China
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  • BAI Qing-Li

    BAI Qing-Li

    Key Opening Laboratory of Cold-Water Fish Germplasm Resource and Aquaculture & Enhancement, Heilongjiang Province, Heilongjiang River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Harbin 150070, China
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  • TANG Yong-Kai

    TANG Yong-Kai

    Key Laboratory of Genetic Breeding and Aquaculture Biology of Freshwater Fishes, Ministry of Agriculture, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi 214081
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    摘要:

    以山女鳟(Oncorhynchus masou masou)群体中出现的银化体色个体为研究对象,系统研究了在人工养殖条件下银化体色个体在群体中所占比率、银化体色个体与正常体色个体的体色差异,以及银化体色个体生长性状等。结果表明: 1 群体中不同家系间银化体色个体所占比率在0~0.21范围内,采用3×2列联表法进行卡方检验,发现家系间银化体色个体比率存在极显著的差异χdf =52=93.362, P (Asymp.Sig.=0.000) <0.01];2利用色差计 L * a * b *色彩空间检测体色差异,银化体色个体与正常体色个体 L *a *和Cab*值均存在显著差异(P< 0.01),其中前者 L *值在30.78~48.50范围内,后者在51.24~71.43范围内;3经过12个月的生长对比实验,银化体色个体与正常体色个体在生长上也存在极显著差异(P< 0.01),其中,前者平均体重(113.72 g)明显低于后者平均体重(132.25 g);银化体色个体与正常体色个体在肥满度指标和特定生长率指标上也均存在极显著的差异(P< 0.01),在不同的生长阶段两者特定生长率不同,而整个实验期间前者肥满度均低于后者。本研究为生产中山女鳟银化体色个体的利用和以体色为目标的选育工作提供了数据支持。

    Abstract:

    We studied the properties of silvering salmon in Oncorhynchus masou masou population under aquaculture condition and found 1 the proportion of fish with silvering body color among six progeny groups varied between 0 and 0.21.The ratio of fish with normal color and silvering color was significantly different between progeny groups (Pearson χ df =52=93.362, P <0.01); 2 by using L * a * b * color space to check the color difference, there was a significant different in body color between salmon with silvering body color and normal body color. The value of L *a* and C*abbetween fish silvering colored and normal colored was significant difference (P < 0.01). The L * value for the former is 30.78-48.50 and 51.24 to 71.43 for the latter; 3After 12-month experimental period under the same condition, silvering salmon grew significant slower than normal ones (P <0.01), the average body weight of the former was 113.72 g and the latter was 132.25 g. For the indices of condition factor (CF) and special growth rate (SGR), there also had significant difference between the silvering and normal body color salmon (P < 0.01) during the experiment. Salmons with different body color presented different SGR at different growing period, but CF for the normal body color salmon is always higher than the silvering body color ones. This paper provides data for the further utilization on silvering salmon and for body color traits genetic improvement in O.masou .

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张玉勇,贾智英,白庆利,唐永凯.2011.养殖条件下山女鳟银化体色个体生产性状.动物学杂志,46(4):8-15.

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  • 收稿日期:2010-11-15
  • 最后修改日期:2011-03-05