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Growth Comparison Between Different Strains of Gynogentic Silver Carp and Silver Carp (Hypophthalmichthys molitrix)
Author(s): 
Pages: 203-207
Year: Issue:  3
Journal: JOURNAL OF JIMEI UNIVERSITY(NATURAL SCIENCE)

Keyword:  雌核发育鲢普通鲢生长;
Abstract: 在相同池塘养殖条件下,进行了雌核发育鲢各系(当年鱼)及与普通鲢的生长对比试验.结果表明:所选育的雌核发育鲢1系、2系间无显著差异,杂交系较1系、2系呈一般显著性差异(P<0.05);雌核发育鲢较普通鲢生长快,平均体长增长快7%以上,体重增长快14%以上,呈显著差异(P<0.01);其中雌核发育鲢杂交生长最快,其体重增长比普通鲢快23.8%,体长增长比普通鲢快12.4%,呈非常显著差异(P<0.005).密度越稀,增长越快,雌核发育鲢各系成活率(83.4%以上)均高于普通鲢(64.8%),且雌核鲢体型较普通鲢肥厚.
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