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鱼、鸭共养是鱼和畜禽综合经营中的最佳模式之一。其优点:一是鱼塘养鸭可以为鱼塘增氧;二是有利于改善鱼塘内的营养环境;三是鸭子可以为鱼类捉供有机饵料;四是有利于鱼、鸭寄生虫病的防治。采用这项技术,在不增加饲料、肥料的情况下,每667平方米水面产鱼100~250千克,增产15%~35%;还可多产鸭蛋和鸭肉。 1.共养方式 现阶段实行鱼、鸭共养主要有以下3种方式: ①放牧式 即将鸭群散养于池塘或湖
Fish, duck co-culture of fish and livestock is one of the best mode of operation. Its advantages: First, duck ponds can be oxygenated ponds; second is conducive to improving the nutritional environment of fish ponds; third duck for catches of organic food supply; fourth is conducive to fish, duck parasitic diseases Prevention and treatment. With this technology, 100-250 kilograms of fish per 667 square meters of water can be produced without any additional feed and fertilizer, and the yield can be increased by 15% -35%. Ducks and duck meat can also be prolific. 1. Common mode of implementation At this stage the implementation of fish, duck co-raising the following three ways: ① grazing imminent feeding of ducks in the pond or lake