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鱼类的混养及混养方式一、鱼类混养获得增产的生物学依据目前我区的主要养殖鱼类有鲢鱼、鳙鱼、草鱼、鲂鱼、鳊鱼、鲤鱼、鲫鱼等。把这多种鱼类科学地混养在一个鱼塘中,利用它们之间相互有利的一面,并充分利用鱼塘中的水体环境和饵料,就可以充分发挥鱼塘的生产潜力,这也是使食用鱼高产稳产的重要措施之一。从这几种鱼类的栖息习性和食性来看,鲢鳙鱼生活在水的上层,鲢鱼以食浮游植物为主,鳙鱼以食浮游动物为主;草、鲂、鳊生活在
The polyculture and polyculture of fish First, the biological basis for the increase of fish polyculture At present, our region’s main breeding fish are silver carp, bighead carp, grass carp, bighead carp, bighead carp, carp, carp and so on. The multi-species fish that are mixed in a pond in a scientific way, using their mutually beneficial side and making full use of the water environment and food in the pond, can fully realize the potential of fish ponds, One of the important measures of high yield and stable yield of edible fish. From these habitats and feeding habits of fish, silver carp and bighead carp live in the upper layer of water, silver carp mainly eat phytoplankton, catfish mainly eat zooplankton; grass, 鲂, 鳊 live in