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丹东工厂化育苗取得突破杂色蛤有了本地苗种

2017-08-30 14:21:32   央广网

央广网丹东8月30日消息(记者徐志强)日前,丹东市海洋与渔业局优选北方种源,培育出2-3毫米稚贝幼苗5亿粒以上,这标志着20多年来一直困扰丹东市杂色蛤养殖发展、苗种完全依赖南方的瓶颈已被突破。

杂色蛤是丹东市传统的优势海水养殖品种,是丹东地区海水养殖的龙头产业。上世纪70-80年代杂色蛤养殖模式主要以滩涂养殖为主,面积小、产量低,苗种靠天然繁殖。1997年开始大面积推进滩涂、浅海和港湾底播杂色蛤养殖以后,养殖面积迅速增加,资金投入逐年加大。到2017年,全市杂色蛤养殖面积达100万亩以上,所需杂色蛤苗种全部需从南方购进,苗种成本高达20亿元以上。

今年,市海洋与渔业局在相关部门及专家学者的帮助下,以优质杂色蛤为亲贝,成功孵化出杂色蛤苗种浮游幼体200亿个,经过40多天的精心管理,培育出2-3毫米稚贝幼苗5亿粒以上,实现了杂色蛤工厂化育苗从试验到小规模生产的突破。

这个项目的成功,预示着丹东市从此可以大规模开展杂色蛤繁育生产,为本地区养殖企业及养殖户节省大量资金,并从根本上推动丹东地区杂色蛤养殖业健康持续发展。

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