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海洋科学  2006 

军曹鱼生物学特性及苗种规模化繁育技术

, PP. 5-9

Keywords: 军曹鱼(Rachycentron,canadum),生物学特性,苗种繁育技术

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Abstract:

简要介绍了军曹鱼(Rachycentroncanadum)的形态、分布、食性、生殖、胚胎和仔稚鱼发育过程等生物学特性以及军曹鱼苗种繁育的技术工艺。选择2~3龄鱼作为亲鱼,在海区网箱中采用营养强化结合激素诱导的方法,使其在整个繁殖季节多次成熟产卵。在大亚湾地区其繁殖季节为4~10月,亲鱼繁殖的适宜水温为25~31℃、适宜盐度为30~34,大批量人工催产的受精率为30%~60%、孵化率为55%~82%。采用室外池塘进行种苗大规模培育,初孵仔鱼在水温26~32℃、盐度28~33条件下培育35~40d,全长8~11cm,达到商品苗规格。

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