罗非鱼不耐低温,秋末冬初,当水温降至15℃时,需及时干池起捕上市,这样罗非鱼养殖池实际只利用半年(5—10月)。鳜鱼冬季并不完全停食,仍持续生长,只是摄食减少,生长速度减缓,利用罗非鱼养殖池空闲期养鳜鱼,此阶段苗种便宜,铒料鱼丰富,鳜鱼养至翌年5月份上市,价格相对较高。我镇通过多年生产实践,探索出利用罗非鱼池轮养鳜 Tilapia is not resistant to low temperature, late autumn and early winter, when the water temperature dropped to 15 ℃, timely dry pond catch market, so tilapia ponds actually only use six months (May-October). Catfish in winter does not completely stop eating, still continue to grow, but reduced food intake, growth rate slowed down, the use of tilapia pond idle nauplii, this stage is cheap seed, bait fish rich, catfish raise to the following year in May Listing, the price is relatively high. My town through many years of production practice, explore the use of tilapia pond wheelhead 鳜