网箱养殖鳜鱼能带来很大的经济效益。实践证明,鳜鱼的网箱养殖除了要有良好的自然条件、优良的品种、适口的饵料外,网箱网目的大小和放养密度对产量的提高也十分重要。1水域的选择三只网箱均设置在汤阴县琵琶寺水库内,水质清新(透明度大于35cm)、水量充沛、无污染,水深不低于2m,硬底,有适量的水草,避风向阳的水域,水中溶氧6.27mg/L,pH值中性,其它理化指标均在正常范 Catfish cage culture can bring great economic benefits. Practice has proved that, in addition to good mandarin fish cage culture have good natural conditions, excellent varieties, palatability of the food, cage mesh size and stocking density on the yield increase is also very important. 1 Choice of waters The three cages are all set in the Pipa Temple Reservoir in Tangyin County. The water quality is fresh (more than 35cm in transparency), with plenty of water and no pollution. The water depth is not less than 2m, hard bottom, proper amount of aquatic plants, Water, water dissolved oxygen 6.27mg / L, pH neutral, other physical and chemical indicators are in the normal range