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当前位置: 首页 > 文章 > 鲂属4种鱼类种间杂交的初步研究 大连海洋大学学报 2014 (2) 121-125
Position: Home > Articles > The interspecific hybridization in four freshwater bream Megalobrama sp. Journal of Dalian Ocean University 2014 (2) 121-125

鲂属4种鱼类种间杂交的初步研究

作  者：
张大龙;杜睿;聂竹兰;杨振华;罗伟;易少奎;高泽霞;王卫民;陈柏湘
单  位：
华中农业大学;湖北百容水产良种有限公司
关键词：
团头鲂;三角鲂;广东鲂;厚颌鲂;种间杂交
摘  要：
利用湖北鄂州梁子湖的团头鲂Megalobrama amblycephala(T)、浙江钱塘江原种场的三角鲂Magalobrama terminalis(S)、四川泸州龙溪河的厚颌鲂Megalobrama pellegrini(H)、广东西江肇庆的广东鲂Megalobrama hoffmanni(G)野生亲鱼进行多种杂交组合与自交,所有杂交与自交组合为T♀×T♂、T♀×H♂、T♀×S♂、T♀×G♂、S♀×S♂、S♀×T♂、S♀×G♂、H♀×H♂、H♀×T♂,将各组合受精卵在室内同一水泥池不同孵化桶内孵化,并将各组合子代培育45日龄。结果表明:所有组合的受精率、孵化率和成活率均相对较高,初步证明鲂属种间杂交具有可行性;团头鲂与厚颌鲂正反交子代除体高杂种优势不明显外,体长与体质量均表现出杂种优势;团头鲂与三角鲂正反交子代的体长、体质量、体高均未表现出明显的杂种优势;因广东鲂母本催产失败,团头鲂与广东鲂正反交以及三角鲂与广东鲂正反交子代是否有杂种优势还有待进一步研究。
译  名：
The interspecific hybridization in four freshwater bream Megalobrama sp.
作  者：
ZHANG Da long;DU Rui;NIE Zhu-lan;YANG Zhen-hua;LUO Wei;YI Shao kui;GAO Ze-xia;WANG Wei-min;CHEN Bo-xiang;Key Laboratory of Agricultural Animal Genetics,Breeding and Reproduction,Ministry of Education,Key Laboratory of Freshwater Animal Breeding,Ministry of Agriculture,College of Fisheries,Huazhong Agricultural University;Bairong Fisheries Certified Seed Company Limited of Hubei;
关键词：
Megalobrama amblycephala;;Magalobrama terminalis;;Megalobrama hoffmanni;;Megalobrama pellegrini;;interspecific hybridization
摘  要：
Wild broodstocks of Megalobrama amblycephala(T) collected from Langzi Lake in Ezhou,Hubei Province,M. terminalis( S) collected from Qiantang River original seed farm in Zhejiang Province,M. hoffmanni(H) collected from Longxi River in Luzhou,Sichuan Province,and M. pellegrini(G)in Zhaoqing Xijiang,Guangdong Province were used for a variety of hybrids and inbred as follows: T♀ × T♂,T♀ × H♂,T♀ ×S♂,T♀ ×G♂,S♀ ×S♂,S♀ ×T♂,S♀ ×G♂,H♀ ×H♂,and H♀ × T♂. Fertilization rate,hatching rate and survival rate were relatively high in the hydrids,in which the larvae were reared for 45 days,indicating that it was possible to conduct hybridization within Megalobrama sp.,especially the hydrids reciprocal crossed between M. amblycephala and M. pellegrini showing heterosis in both body length and body weight,not in the body height. No heterosis was found in the reciprocal crossed hybrid between M. amblycephala and M. terminalis. It is uncertain that there is heterosis in the reciprocal crosses between M. erminalis and M. hoffmanni.

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