八、罗非鱼的网箱养殖技术 罗非鱼耐低溶氧,抗病力强,比较适合网箱的高密度养殖,还可以摄食网箱壁上的附着藻类,起到“清箱”作用。 (一)网箱设置水域的选择 可选择背风向阳,水面宽阔,水质肥沃,浮游生物多和没有毒废水污染的湖汊、库湾、河沟设置网箱。网箱位置离岸不要太远,水深在3～4米,底部平坦,网箱底离水 Eight, tilapia cage culture Tilapia resistance to low dissolved oxygen, disease resistance, more suitable for high-density cage culture, you can also eat on the wall attached to the algae, play a “clear box” effect . (A) the choice of cages to set the choice of the waters leeward sunny, wide water, water quality and fertility, plankton and more toxic and waste water pollution lake, Bay, River ditch set cages. Cage location offshore not too far, water depth of 3 to 4 meters, the bottom of the flat, bottom of the cage from the water