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１材料与方法试验用虾为购买的中国对虾仔虾，体长７mm～８mm，暂养处理５d后进行分组试验。试验用饲料为卤虫、小杂鱼、商品饲料和包膜饲料。小杂鱼经切碎清洗处理后投喂。包膜饲料的生产是通过选用优质的饲料原料，采用先进的饲料配方，对饲料原料预粉碎和混合加工，进行颗粒
1 Materials and methods Test Shrimp for the purchase of Chinese shrimp larvae, body length 7mm ~ 8mm, tentative treatment after 5d grouped test. Test feed for Artemia, trash, commercial feed and coated feed. Small trash fish after shredding treatment. Envelope feed production is through the selection of high-quality feed ingredients, the use of advanced feed formulations, feed ingredients pre-crushing and mixing processing, the particles