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tuan tou zuo hua hai 1 hao
Pages: 29
Year: Issue:  6
Journal: Ocean and Fishery

Abstract: 团头鲂,又名武昌鱼,属鲤形目,鲤科,鲌亚科,鲂属,是我国特有的重要草食性经济鱼类之一,也是新中国成立后人工驯养成功的第一种鱼类.具有味美、头小、含肉率高、体形好、规格适中、易加工、食用方便等优点,已被作为优良的草食性鱼类在全国普遍推广.然而,团头鲂自然分布狭窄,主要分布在湖北省梁子湖、淤泥湖以及江西省鄱阳湖3个湖泊等水体,遗传多样性低,近亲繁殖极易引起经济性状衰退,养殖群体先后出现了生长速度减慢、抗病抗逆能力降低、性成熟提早等不良现象.
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