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三疣梭子蟹高密度越冬技术 被引量:2

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摘要 目前在北方地区,三疣梭子蟹的人工养殖已形成规模化,但由于北方冬季寒冷,海水温度一般可降至0℃左右,使梭子蟹很难越冬。因此,北方养殖单位一般养到深秋初冬,便清池收获上市,这就造成梭子蟹肥满度较差,卵黄极少或无卯黄,味道和鲜度欠佳。再加上此时梭子蟹大量集中上市,价格下跌,极大影响产出效益。如能采取措施保证其安全越冬,待梭子蟹交尾后,卵黄逐渐增多增大,个体日益肥满时,抓住元旦、春节期间市场紧俏时上市,销路和价格都会非常可观,从而提高养殖效益。因此,在中国北方进行三疣梭子蟹越冬具有十分重大的现实意义。
出处 《中国水产》 北大核心 2007年第3期54-55,共2页 China Fisheries
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