文章摘要
华元渝.暗纹东方鱼屯生殖期两性判别的研究[J].水产学报,1996,20(3):
暗纹东方鱼屯生殖期两性判别的研究
A STUDY ON THE SEXUAL IDENTIFICATION OF TAKIFUGU OBSCURUS IN REPRODUCTION PERIOD
投稿时间:2014-05-11  修订日期:2014-05-11
DOI:
中文关键词: 暗纹东方鱼屯  生殖期  两性综合判别
英文关键词: Takif ugu obscurus , Reproduction period, Sex comprehensive identification
基金项目:
作者单位地址
华元渝 南京师范大学 南京师范大学
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中文摘要:
      暗纹东方鱼屯俗称河豚,属江海洄游性鱼类。生殖季节,雌、雄个体副性征差异不明显,不能采用常规鉴别方法进行性别鉴定。作者根据体征、体态特征,采用综合指标判别法对1995年3月15日至5月30日在江苏仪征—泰州60km江段渔获的1038尾暗纹东方鱼屯进行了雌、雄性别判定,正确率达95.4%。该方法操作简单,不伤鱼体,仅凭眼观即可判定自由游动状河鱼屯的雌、雄。文中有关利用行为差异来判定鱼类雌、雄的方法,国内外尚未见诸报道。该项工作为鉴别鱼类性别提供了一种新方法,在鱼类人工繁殖和规模化生产中具有一定应用价值 更多还原
英文摘要:
      Takif ugu obscur us , popula rly named o bscure puf fer, is a f ish o f river-to-sea mig rat ion. No rma l se xual ident if icat ion metho d f ails w hen in repro ductio n per iod, because of no rema rkable dif ference between indiv idual in se co ndar y chara cters. A comprehensive .. 2.. 14.. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. 水.. 产.. 学.. 报.. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. 20 卷.. se xual ident if icat ionmetho d based on fe ature and posture wa s applied to 1 038 ind. o f puf fer, w hich w ere caught f rom March 15 to May 30 in 1995 in the lower a reach o f Yanqt ze Riv er f rom Yizheng to Taizho u, w ith in a dista nce of six ty kilometer s. The accurate percentage reaches 95. 4%. This metho d do es no t injure the sample, and it is so simple that it co uld do ev en when the puf fer is in a state o f f ree sw imming in po o l. The method, i. e. the f ish behav iour pattern metho d, o f f ish sex-ident if icat io n is reported fo r the f irst t ime. The study of fers a new method on the sexual ident if icat ion o f f ish, a nd it has certain co nt r ibut io n to the art if icial propag at ion a nd pro duction o f f ish.
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