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奥尼罗非鱼具有雄性率高、生长速度快、肉质好、病害少、产量高等优点。近年来已成为东平湖池塘养殖的一个重要品种,现将2004年养殖情况总结如下。一、试验材料1.试验塘条件试验塘面积10亩,平均水深2.5米,呈东西走向、光照充足。试验塘采用多年老塘,塘底淤泥20～30厘米,注排水?
Oreochromis niloticus has the advantages of high male rate, fast growth rate, good flesh quality, less disease and high yield. In recent years, Dongping Lake has become an important species of pond culture, farming 2004 are summarized below. First, the test materials 1 Experimental pond conditions Experimental pond area of 10 acres, the average depth of 2.5 meters, showing the east-west direction, adequate light. Pond for many years old pond, pond bottom 20 to 30 cm, note the drainage?