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罗氏沼虾,又名马来西亚大虾、金线虾等,原产于东南亚,是世界上最大的淡水虾之一。由于该虾生长快、产量高、效益好,肉鲜味美,营养丰富,很受生产者和消费者的欢迎。60年代以来,先后移养于亚洲、欧洲、美洲等一些国家和地区,在泰国、马来西亚、台湾、越南、日本、美国等地,已成为淡水养殖中的一个重要品种,1992年世界总产量达到31235吨,其中泰国占31％,台湾占25％,越南占22％。泰国进行池塘精养,一般亩产在200公斤左右,美国夏威夷进行轮捕轮放,亩产量为200—225公斤,日本采用小水体高密度养殖,折合亩产最高达1300余公斤。
Macrobrachium rosenbergii, also known as Malaysian prawn, gold shrimp, etc., native to Southeast Asia, is one of the world’s largest freshwater prawn. As the shrimp grow fast, high yield, good efficiency, meat delicious, nutritious, very popular with producers and consumers. Since the 1960s, it has been relocated to some countries and regions in Asia, Europe and the Americas. It has become an important species in freshwater aquaculture in Thailand, Malaysia, Taiwan, Vietnam, Japan, the United States and other places. In 1992, the world’s total output reached 31235 tons, of which Thailand accounted for 31%, Taiwan 25%, Vietnam 22%. Thailand pond intensive, generally about 200 kilograms per mu in the United States, Hawaii for rounding and rotation, mu yield 200-225 kg, Japan using small water high-density farming, equivalent to up to 1,300 kg per mu yield.