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作 者:陈伟洲[1] 许鼎盛[2] 王德强[3] 邓用谋 佘忠明 丘广艳 李远友[1]
机构地区:[1]汕头大学海洋生物研究所,广东汕头515063 [2]福建省水产研究所,福建厦门361012 [3]海南省水产研究所,海南海口570206 [4]海南省水产发展实业公司,海南海口570303 [5]深圳市海上田园风光旅游发展有限公司,广东深圳518121
出 处:《台湾海峡》2007年第3期435-442,共8页Journal of Oceanography In Taiwan Strait
基 金:国家自然科学基金资助项目(30671629);广东省科技计划项目(2005B20301013;2006A36502004)
摘 要:利用养殖3龄以上的卵形鲳鲹成鱼于催产前3个月进行强化培育.在水温达到23℃以上的季节,用激素HCG和LRH—A2、A3进行催产.受精卵在水温28~29℃、盐度32、pH8.1时,经过20h孵化.在土池水温23~34℃,盐度24~34,pH7.6~9.4的培育条件下,开口仔鱼经20d左右完全变态为全长25~30mm幼鱼.Trachinotus ovatus with ages over 3 years were fatted for 3 months before conducting artificial spawning. In season when the water temperature reached 23℃or above, the fish were induced to spawn with HCG and LRH-A2 or A3. After fertilized the eggs were incubated in water for 20hours under 28 -29℃ with salinity 32 and pHS. I until the larvae were hatched. Then the larvae were put to grow up in outdoor earth pond. It took 20 days for larvae from opened mouth to size of 25 -30mm in length under water temperature 23 -34℃ ,with salinity 24 -34 and pH7.6 ~9.4.
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