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不同饲养密度对斑马鱼生长发育的影响 被引量:2

Effects of rearing density on growth and development in zebrafish
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摘要 目的探讨饲养密度对斑马鱼生长发育的影响。方法分别按1、2、4、6、8Tail/L的密度将斑马鱼饲养于容积为3L饲养盒中,测定不同生长阶段的体重、体长、脏器重量等指标,计算日增重(DWG)、增重率(WGR)、增长率(LGR)和成鱼脏器指数,并使用SPSS17.0进行统计分析。结果当饲养密度介于1~4Tail/L之间时,各组间的DWG、WGR、LGR及脏器指数无显著差异。进一步增加饲养密度时,DWG、WGR、LGR及脏器指数均出现不同程度下降,与低密度组有显著性差异(P<0.01)。结论综合考虑空间利用率、斑马鱼生存环境质量等因素,4Tail/L是一个比较理想的饲养密度。 Object To investigate effects of rearing density on growth and development of the zebrafish. Materials and method Zebrafish was maintained at 1, 2, 4, 6, 8 Tail/L density in a 3L indepent unit. In some distinct developmental stages, the weight, length, organ weight of fish was measured and some indicators were calculated. The results of weight, DWG, WGR, LGR and viscera index were analyzed by SPSS 17. O, thus investigating the effects of rearing density on growth and development of zebrafish. Result There was no significant difference among each group , when the rearing density differ from 1 to 4 Tail / L. However, the weight, DWG, WGR, LGR and viscera index descend when density is increasing, and there was a significant difference between the groups of low density (P 〈 0. 01 ). Conclusion In a comprehensive consideration of considering the factors that affect the efficacy of breeding including space and the quality of living environment of zebrafish et al, 4Tail/L is an ideal rearing density.
出处 《中国比较医学杂志》 CAS 2013年第3期31-33,I0002,共4页 Chinese Journal of Comparative Medicine
基金 河北省科技条件建设项目(11965519D、12965519D)
关键词 斑马鱼 饲养密度 生长发育 zebrafish stocking density growth and development
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