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虾类精养Intensive shrim pculture廉价人工饵料Inexpensive artificial diet商品规格Commercial size天然海水 Natural sea water初始投饲量Initial feeding level最高死亡率Highes tmortality rate配合饲料Formula feed葡萄胺Glucosamine
Intensive shrim pculture Inexpensive artificial diet Product specifications Commercial size Natural sea water Initial feeding level Highest mortality Highes tmortality rate Formula feed Glucosamine Glucosamine