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中国农学通报 ›› 2025, Vol. 41 ›› Issue (30): 147-155.doi: 10.11924/j.issn.1000-6850.casb2025-0167

• 水产·渔业 • 上一篇    下一篇

鄱阳湖地区克氏原螯虾形态性状对出肉率的影响分析

张颖1(), 黄江峰1, 周智勇1, 李艳和2, 徐先栋1, 王静宇1, 钟可儿1, 章海鑫1, 邵徽禹3, 张爱芳1()   

  1. 1 江西省水产科学研究所, 南昌 330039
    2 华中农业大学, 武汉 430070
    3 江西省永修县农业农村局, 江西永修 330300
  • 收稿日期:2025-03-05 修回日期:2025-07-29 出版日期:2025-10-25 发布日期:2025-11-04
  • 通讯作者:
    张爱芳,女,1983年出生,湖北武汉人,高级水产师,硕士,从事渔业资源保护及水产增养殖研究。通信地址:330096 江西省水产科学研究所,Tel:0791-8101682,E-mail:
  • 作者简介:

    张颖,女,1999年出生,江西抚州人,助理水产师,硕士,研究方向:水产动物营养与繁殖。通信地址:330096 江西省水产科学研究所,Tel:0791-8101682,E-mail:

  • 基金资助:
    江西省渔业种业联合育种攻关项目“克氏原螯虾联合育种攻关及产业化推广项目”(2023yyzygg-07)

Analysis of Effect of Morphological Traits on Meat Yield of Procambarus clarinii in Poyang Lake Area

ZHANG Ying1(), HUANG Jiangfeng1, ZHOU Zhiyong1, LI Yanhe2, XU Xiandong1, WANG Jingyu1, ZHONG Keer1, ZHANG Haixin1, SHAO Huiyu3, ZHANG Aifang1()   

  1. 1 Jiangxi Fisheries Research Institute, Nanchang 330039
    2 Huazhong Agricultural University, Wuhan 430070
    3 Yongxiu County Agriculture and Rural Bureau of Jiangxi Province, Yongxiu, Jiangxi 330300
  • Received:2025-03-05 Revised:2025-07-29 Published:2025-10-25 Online:2025-11-04

摘要:

为了明确鄱阳湖地区克氏原螯虾(Procambarus clarkii)成虾的形态性状和出肉率间的关系,本研究测量了310尾克氏原螯虾的出肉率和9个形态性状数据,通过相关性分析、通径分析、逐步回归分析等方法研究形态性状对出肉率的影响,并构建出肉率的形态预测方程。结果表明,影响雌性群体、雄性群体出肉率主要性状是全长、第三腹节长;影响混合群体出肉率的主要性状是全长、第一腹节宽、第三腹节长。以显著性状为自变量、出肉率为因变量,构建多元回归方程,雌性群体多元回归方程为yfemale=0.614x1+0.678x2-0.266x3-0.014 (R2=0.735),雄性群体多元回归方程为ymale=0.229x1+0.618x2-3.301x3-0.041 (R2=0.689),混合群体多元回归方程ymixed=0.718x1+0.496x2+0.480x3-0.086 (R2=0.753),其中x1为全长/体长,x2为第一腹节宽/体长,x3为第三腹节长/体长,x4为Fulton’s条件因子K。雌性群体和混合群体中K与出肉率关系的最佳拟合曲线模型主要以幂函数为主;雄性群体中K与出肉率的最佳拟合曲线模型以二项式为主。在基于出肉率对鄱阳湖地区克氏原螯虾的选育中,雌性群体、雄性群体分开选育时建议以Fulton’s条件因子K为主要参考性状,全长/体长、第三腹节长/体长为辅助参考性状;混合群体建议以Fulton’s条件因子K为主要参考性状,全长/体长、第一腹节宽/体长、第三腹节长/体长为辅助参考性状。本研究为克氏原螯虾基于出肉率的遗传育种提供参考依据。

关键词: 克氏原螯虾, 形态性状, 通径分析, 回归分析, 曲线拟合

Abstract:

To clarify the relationship between morphological traits and abdominal meat yield in adult red swamp crayfish (Procambarus clarkii) from Poyang Lake, the abdominal meat yield and nine morphological traits were measured in 310 Procambarus clarkii individuals. The influence of morphological traits on abdominal meat yield was investigated using correlation analysis, path analysis, and stepwise regression analysis. Morphological prediction equations for abdominal meat yield were constructed. The main traits affecting abdominal meat yield in the female and male groups were total length and third abdominal segment length. The main traits affecting abdominal meat yield in the mixed group were total length, first abdominal segment width, and third abdominal segment length. Using the significant traits as independent variables and abdominal meat yield as the dependent variable, multiple regression equations were constructed: female group: yfemale=0.614x1+0.678x2-0.266x3-0.014 (R2=0.735), male group: ymale=0.229x1+0.618x2-3.301x3-0.041 (R2=0.689), mixed group: ymixed=0.718x1+0.496x2+0.480x3-0.086 (R2=0.753). Where x1=total length/body length, x2=first abdominal segment width/body length, x3=third abdominal segment length/body length, and x4=Fulton’s condition factor (K). The best-fitting curve models for the relationship between condition factor (K) and abdominal meat yield were primarily power functions in the female and mixed groups, and primarily binomial in the male group. For selective breeding of Procambarus clarkii from Poyang Lake based on meat yield rate, when breeding female and male groups separately, it is recommended to primarily use condition factor (K) as the main reference trait, with total length/body length and third abdominal segment length/body length as auxiliary reference traits; for the mixed group, it is recommended to primarily use condition factor (K) as the main reference trait, with total length/body length, first abdominal segment width/body length, and third abdominal segment length/body length as auxiliary reference traits. This study provides a reference basis for the genetic breeding of Procambarus clarkii based on abdominal meat yield.

Key words: Procambarus clarkii, morphological character, path analysis, regression analysis, curve fitting