在高密度集约化人工养殖过程中,大量使用人工配合饲料,在配合饲料中蛋白质偏低,特别是动物性蛋白质缺少,能量偏高,营养不全面,天然饲料缺乏。鱼虾觅食,避害活动少,同时鱼虾养殖周期短,加之水质环境的不良影响,饲料中抗生素饲料添加剂的长期使用,往往导致人工养殖的鱼虾的上市产 In intensive intensive breeding process, extensive use of artificial feed, feed protein in the low, especially lack of animal protein, high energy, nutrition is not comprehensive, the lack of natural feed. Fish and shrimp foraging, avoiding activities less, while the short cycle of fish and shrimp farming, coupled with the adverse effects of water quality and environment, the feed of antibiotic feed additives for long-term use, often resulting in the production of farmed fish and shrimp