【摘要】 根据南方亚热带气候特点,对海湾扇贝Argopecten irradians进行了秋季人工育苗和养成试验。本文报道其秋季性腺繁殖规律、胚胎发育、幼虫的生长、存活与温度的关系,提出了秋季人工育苗的方法。在养成试验方面,与华贵栉孔扇贝Chlamys nobilis进行比较,结果表明,海湾扇贝具有生长快、周期短等特点,是一种较有发展前景的海珍品。更多还原

【Abstract】 This experiment was carried out in Xiamen and Dongshan Bay, Fujian Province. The autumn eggs were ferlilisized at the beginning of November in 1986 and spat rearing commenced with the appearance of straight-hinged larva. The density of the Spats in the rearing tanks was kept at 1.5pes/ml of water body, volume of water replaced every day was 80-90%, salinity varied between 25-30, and illumination intensity was 3501x. The larva were fed with Dicrateria zhanjiangensis, Platymonas sp. Phaeodactylum tricornutum. Tank water was aerated all the time.Results from the above method showed that the number of spats (shell-length 1000-2000 μm) reached 5×10~4 pes/m~3 water body.The spats reared in autumn were transferred to Dongshan Bay, in December for experimental culture. They were harvested when thay had grown into 5cm in July the next year.更多还原