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罗氏沼虾又名淡水长臂大虾,原产地为东南亚,以个体大和虾头甘香著称,是国内近年大力推广养殖的优质品种。罗氏沼虾自70年代引进以来,一度因种苗生产困难和单产偏低而未能大面积养殖。近几年来,养殖罗氏沼虾经济效益好,各地纷纷开展养殖,使种苗生产和养殖产量逐年上升。1993年广东省繁育虾苗3亿尾,养殖面积2.3万亩,产
Macrobrachium, also known as freshwater long-legged prawn, native to Southeast Asia, known as individual large and shrimp head sweet, is the domestic promotion of breeding in recent years, high-quality varieties. Since the introduction of Macrobrachium rosenbergii in the 1970s, it has not been possible to breed a large area due to the difficulties in seed production and the low yield. In recent years, the cultivation of Macrobrachium rosenbergii economic benefits are good, all over the farming, seedling production and aquaculture production increased year by year. Guangdong Province in 1993 breeding 300000000 shrimp, breeding area of 23000 mu, production