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一、加强饲养管理河蟹是以动物性饵料为主的杂食性动物。要想养成大规格优质商品蟹,在养殖过程中,要始终保持河蟹处于高频率蜕壳生长状态。实践证明,单一投喂任何一种饵料,其饵料系数都较高,饲料成本较大。为降本增效,提倡以投喂优质全价配合饲料为主,辅以新鲜动物性天然饵料,如小杂鱼、螺、蚌等。高温期可适当减少颗粒料、小杂鱼等精
First, to strengthen the feeding and management of crab is animal-based food omnivorous animals. In order to develop large-size high-quality goods crabs, breeding process, we must always keep crabs in high frequency molt growth. Practice has proved that a single feed any kind of bait, the bait coefficient is higher, feed costs larger. In order to reduce cost and increase efficiency, it is recommended to feed high-quality full-price compound feed supplemented with fresh animal natural food such as small trash fish, snails and mussels. High temperature may be appropriate to reduce pellets, trash and other fine