[1]孙梦玲,薛晖,徐宇,等.克氏原螯虾(Procambarus clarkii)形态性状与净肉重及出肉率的相关性[J].江苏农业学报,2025,(01):126-133.[doi:doi:10.3969/j.issn.1000-4440.2025.01.015]
　SUN Mengling,XUE Hui,XU Yu,et al.Correlation between the morphological traits and net meat weight， meat rate of Procambarus clarkii[J].,2025,(01):126-133.[doi:doi:10.3969/j.issn.1000-4440.2025.01.015]
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克氏原螯虾(Procambarus clarkii)形态性状与净肉重及出肉率的相关性()
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江苏农业学报[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2025年01期
页码:
126-133
栏目:
畜牧兽医·水产养殖·益虫饲养
出版日期:
2025-01-31

文章信息/Info

Title:
Correlation between the morphological traits and net meat weight， meat rate of Procambarus clarkii
作者:
孙梦玲1; 2; 薛晖1; 徐宇1; 2; 赵彦华1; 李佳佳1; 2; 姜虎成1; 许志强1; 2
(1.农业农村部淡水虾蟹遗传育种与养殖重点实验室,江苏南京210017；2.江苏省淡水水产研究所,江苏南京210017)
Author(s):
SUN Mengling1; 2; XUE Hui1; XU Yu1; 2; ZHAO Yanhua1; LI Jiajia1; 2; JIANG Hucheng1; XU Zhiqiang1; 2
(1.Key Laboratory of Genetic Breeding and Cultivation for Freshwater Crustacean, Ministry of Agriculture and Rural Affairs, Nanjing 210017, China；2.Freshwater Fisheries Research Institute of Jiangsu Province,Nanjing 210017, China)
关键词:
克氏原螯虾; 形态性状; 多元回归分析; 通径分析; 净肉重; 出肉率
Keywords:
Procambarus clarkii; morphometric attributes; multiple regression analysis; path analysis; net meat weight; meat rate
分类号:
S917.4
DOI:
doi:10.3969/j.issn.1000-4440.2025.01.015
文献标志码:
A
摘要:
为探究克氏原螯虾形态性状与净肉重和出肉率之间的关系,本研究以194尾成年克氏原螯虾为试验材料,测量克氏原螯虾12个形态性状,包括全长、体长、螯肢长、头胸甲长、头胸甲宽、头胸甲高、第一腹节长、第一腹节宽、第一腹节高、腹甲长、尾扇长和尾扇宽,并进行相关性分析、多元回归分析和通径分析。相关性分析结果表明,与雌虾出肉率呈极显著相关的性状有腹甲长与第一腹节长(P＜0.01)；与雄虾出肉率呈极显著相关的性状有螯肢长、头胸甲宽及腹甲长(P＜0.01),呈显著相关的性状有体长、头胸甲高(P＜0.05)。通径分析结果表明,螯肢长对克氏原螯虾雌虾和雄虾出肉率具有负向直接效应；腹甲长和第一腹节长对雌虾的净肉重和出肉率具有正向直接效应,头胸甲高和头胸甲长对雄虾的净肉重和出肉率具有正向直接效应。本研究结果可为克氏原螯虾育种提供理论依据。
Abstract:
In order to explore the relationships between the morphological traits of Procambarus clarkii and its net meat weight as well as meat rate, 194 adult Procambarus clarkii were used as experimental materials in this study. Twelve morphological traits of Procambarus clarkii were measured, including total length, body length, chelicera length, cephalothorax length， cephalothorax width, cephalothorax height, the first abdominal segment length, the first abdominal segment width, the first abdominal segment height, abdominal carapace length, tailfan length and tailfan width. And correlation analysis, multiple regression analysis and path analysis were carried out. The results of the correlation analysis showed that the traits that were extremely significantly correlated with the meat rate of female Procambarus clarkii were the abdominal carapace length and the length of the first abdominal segment length (P＜0.01). The traits that were extremely significantly correlated with the meat rate of male Procambarus clarkii were chelicera length, cephalothorax width and abdominal carapace length (P＜0.01), and the traits that were significantly correlated were body length and cephalothorax height (P＜0.05). The results of the path analysis indicated that the chelicera length had a negative direct effect on the meat rate of both female and male Procambarus clarkii. The abdominal carapace length and the first abdominal segment length had a positive direct effect on the net meat weight and meat rate of female Procambarus clarkii, and the cephalothorax height and cephalothorax length had positive direct effects on the net meat weight and meat rate of male Procambarus clarkii. This study provides a theoretical basis for the breeding of Procambarus clarkii.

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备注/Memo

备注/Memo:
收稿日期：2024-04-08基金项目：江苏省种业振兴“揭榜挂帅”项目[JBGS(2021)119]；江苏省现代农业(克氏原螯虾)产业技术体系项目[JATS(2023)372、JATS(2023)373]；江苏现代农业重点项目(BE2020348)作者简介：孙梦玲(1988-),女,江苏常州人,硕士,助理研究员,主要从事水产养殖及水产疫病防控研究。(E-mail)menglingsun@163.com通讯作者：许志强,(E-mail)zhiqiangx@163.com
更新日期/Last Update: 2025-02-28