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尼罗罗非鱼——原产非洲,是一种热带鱼类。做为养殖品种,具有个体大、食性杂、适应性强、耐低氧、易繁殖、肉质好、疾病少等优点,主要缺点是不能在低温下越冬。由于越冬费用大,而影响其发展。我们所于1982年9月28日开始在我市北大港区中塘公社万家码头大队,利用该队闲置多年的地热井为热源,在区、社、大队的配合下,临时修建土池4亩,用2.2亩、深1-1.4米的露天土池,越冬尼罗罗非鱼2280尾,1-3寸鱼种67000尾。在有关人员
Nile tilapia - native to Africa, is a tropical fish. As a breeding species, with individual large, miscellaneous food habits, adaptability, resistance to hypoxia, easy breeding, good quality, less disease and other advantages, the main disadvantage is not overwintering at low temperatures. Due to the cost of overwintering, which affects its development. We started in September 28, 1982 in the city of Beidagang Zhongtang commune million terminal brigade, the team spent many years of geothermal wells as a heat source, in the district, community and brigade with the temporary construction of 4 acres of soil pool , With 2.2 acres, 1-1.4 meters deep open-air soil pool, overwintering 2240 Nile tilapia, 1-3 inch fish 67000 tail. In the relevant personnel