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七彩神仙鱼人工繁殖主要水质条件的探讨

Discussion on main water quality conditions about artificial breeding of Symphysodon aequifasciata

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【作者】 何文辉张美琼鲍宝龙

【Author】 HE Wen hui 1, ZHANG Mei qiong 2, BAO Bao long 1 (1.College of Fisheries, SFU, Shanghai200090, China; 2.Editoral Department of JSFU,SFU,Shanghai200090, China)

【机构】 上海水产大学渔业学院!上海200090上海水产大学学报编辑部!上海200090

【摘要】 报道了不同硬度、酸碱度的水质对七彩神仙鱼性腺发育、产卵、授精及哺育幼苗的影响。结果表明 ,七彩神仙鱼性腺发育、产卵、授精和分泌“乳汁”哺育幼苗的水质最佳硬度为 2~ 3 .5°DH ,最佳pH值为 5 .5~ 6 .5。雄鱼繁殖时对水质条件的敏感度比雌鱼繁殖时更高。水质硬度提高到 5°DH以上或pH值提高到 7.0以上时 ,雄鱼几乎失去了对鱼卵的授精能力 ,而雌鱼仍能正常产卵受精。

【Abstract】 This paper deals with the effects of water hardness and pH on the artificial breeding of Symphysodon aequifasciata.The optimal water hardness and pH during the period of gonad development,spawning,fertilixation and secreting"milk"were 2-3.5°DH and 5.5-6.5,respectively.The male breeders were more susceptible for change of water hardness and pH than the female.When water hardness above 5°DH or pH over 7.0,the male almost lost capability of fertilixation,but the female could still keep the ability of spawning.

【关键词】 七彩神仙鱼水质繁殖
【Key words】 Symphysodon aequifasciatawater qualitybreeding
  • 【文献出处】 上海水产大学学报 ,Journal of Shanghai Fisheries University , 编辑部邮箱 ,2001年01期
  • 【分类号】S965
  • 【被引频次】22
  • 【下载频次】697
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