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青虾肉味鲜美,是深受群众欢迎的名贵水产品。目前池塘养虾,高产的塘口,亩产可达100千克以上,价值5000元左右,生产效益可观。 自繁自育苗种,是搞好养虾生产的根本途径,而正确掌握繁殖技术是自繁自育的基础。 (一)产卵期 选留亲虾产卵所需的水温在18℃以上。长江中下游地区在4月中旬到9月中旬,6～7月是产卵盛期,6中旬到7月中旬为最盛期。
Shrimp fresh meat taste is popular by the masses of precious aquatic products. Pond shrimp cultivation, high-yield Tongkou, per mu up to 100 kilograms, the value of about 5,000 yuan, the considerable benefits of production. Since the breeding of self-breeding seedlings, shrimp production is to improve the fundamental way, and the correct grasp of reproductive technology is the basis for self-breeding. (A) choose the spawning period to stay broodstock spawning water temperature above 18 ℃. The middle and lower reaches of the Yangtze River in mid-April to mid-September, June to July is the peak of spawning, mid-6 to mid-July for the peak.