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张成锋 苏胜彦, 朱健, 朱文彬, 董在杰. 黄河鲤越冬前后的生长特点分析[J]. 水生生物学报, 2013, 37(4): 722-727. DOI: 10.7541/2013.86
引用本文: 张成锋 苏胜彦, 朱健, 朱文彬, 董在杰. 黄河鲤越冬前后的生长特点分析[J]. 水生生物学报, 2013, 37(4): 722-727. DOI: 10.7541/2013.86
Growth Analysis of Huanghe Carp during Two Growth Stages[J]. ACTA HYDROBIOLOGICA SINICA, 2013, 37(4): 722-727. DOI: 10.7541/2013.86
Citation: Growth Analysis of Huanghe Carp during Two Growth Stages[J]. ACTA HYDROBIOLOGICA SINICA, 2013, 37(4): 722-727. DOI: 10.7541/2013.86

黄河鲤越冬前后的生长特点分析

Growth Analysis of Huanghe Carp during Two Growth Stages

  • 摘要: 黄河鲤是我国优良的地方品种, 为了对其继续选育, 以黄河鲤为研究对象, 在越冬前后各测量一次数据, 观察其生长发育特点, 并通过统计学手段研究其发育规律。结果显示:体重、体长、体厚、体高4个指标在生长的第二阶段均比第一阶段显著提高, 其中体重幅度较大, 体厚增长较小; 体长和体高的比例没有发生变化, 体长和体厚比显著降低; 3维图显示第2阶段明显迁移, 第二阶段图形的集中度高。经过体重的标准化后, 2阶段3个指标的三维图发生了逆转。这些结果说明, 黄河鲤经过一段时间的生长, 主要生长指标均有提高, 3个指标3D图趋向整齐, 并发现这些体型的变化主要由于体重引起, 更值得一提的是经过这个阶段的增重体长和体厚的比值显著降低, 说明黄河鲤的体型偏向于宽度的增加。研究还通过建立多元逐步回归方程和聚类图来说明2个生长阶段体重和3个体型指标的关系, 再次验证了2阶段体重在3个体型指标中的重要影响和体型偏向于宽度增长的结论。

     

    Abstract: To improve the growth performance of Huanghe carp, we collected data before and after winter respectively and analyzed the development mechanism. The results showed that body weight, body length, body thickness and body height increased through the winter. Body weight had the highest growth rate. In the following were body length, body height, body thickness. When body shape was investigated, body length/body thickness decreased, while no change was found about body length/body height. In addition, 3D graph tended to be concentrated and moved forward during the second growth stage. But the 3D picture adversed when body length, body height and body thickness were standardized by body weight. These results illustrated that the major growth traits rise and body shape inclined to be concentrated. The important is that body shape of Huanghe carp tended to gain in width. Such conclusion were also been approved by multiple stepwise regression construction and cluster analysis.

     

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