罗非鱼肉质好,生长速度快,养殖周期短,并且垂钓效果好。养殖时间为5～9月份。剩余时间养殖鲤鱼,鲤鱼又是北方地区的主要品种,销售广,第二年5月份时鲤鱼上市量小、价格高,出塘好。这种养殖模式经济效益高,适合北方大部分地区。笔者于2003～2004年在德州农业科技示范园进行了养殖 Tilapia good quality, fast growth, short breeding cycle, and the fishing effect is good. Breeding time is from May to September. The remaining time farming carp, carp is the main varieties in the northern region, sales of wide, the second year in May when the carp market is small, the price is high, a good pond. This breeding model is highly cost-effective and suitable for most parts of the North. The author from 2003 to 2004 in Texas Agricultural Science and Technology Demonstration Park breeding