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一、青虾产业的现状目前青虾养殖面积约500万亩,包括单养和套养。范围扩展至18个省(市),主产地是长三角地区。据2011年《中国渔业年鉴》公布,年养殖产量约22.56万吨,2万吨以上的省市有:江苏10.5万吨、安徽4.2万吨、浙江2.1万吨、湖北2.1万吨、江西2.0万吨。二、青虾产业进一步发展面临的制约1.良种持续产出能力不足以及良种体系建设不完善导致的良种规模化繁育能力不足,制约了良种应用
First, the status quo of the shrimp industry Currently, shrimp farming area of about 5000000 acres, including single and nursery. The scope is extended to 18 provinces (cities), the main origin is the Yangtze River Delta region. According to the 2011 China Fisheries Yearbook, the annual aquaculture production is about 225,600 tons, with more than 20,000 tons of provinces and municipalities: 105,000 tons in Jiangsu, 42,000 tons in Anhui, 21,000 tons in Zhejiang, 21,000 tons in Hubei and 20,000,000 in Jiangxi Ton. Second, the constraints facing the further development of the industry of freshwater shrimp 1. Continued output capacity of improved varieties of seed production capacity is not perfect and imperfect breeding due to lack of capacity for breeding large-scale varieties, restricting the application of improved varieties