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bei fang di qu luo fei yu de yue dong ji shu
Author(s): 
Pages: 17-19
Year: Issue:  5
Journal: Heilongjiang Fisheries

Abstract:  罗非鱼原产非洲,因其具有食性广、鱼病少、适应性强、肉质细嫩、味道鲜美、生长快、产量高等优点,引起各国养殖者重视,并逐渐发展成世界性养殖品种,在我国北方地区也有很多养殖户养殖罗非鱼.但罗非鱼作为热带鱼类,最低临界温度为12℃,在北方地区自然水域不能越冬,由于没有合适的越冬条件和越冬技术,为了提高养殖户的经济效益,更好的推动罗非鱼养殖业在我国北方地区的发展,笔者结合多年的实践经验,针对我国北方地区罗...
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