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1、抱卵青虾的选择。青虾的产卵繁殖期在4—10月份,5—7月份是产卵繁殖盛期。用于人工繁殖的抱卵青虾,可以从湖区捕捞的大虾中挑选,也可以在人工养殖的水体中选择。抱卵青虾要求规格在4—6cm 的越冬青虾,规格整齐,体质健壮,无病无伤。选好的青虾要专池蓄养,虾池面积1—3亩,水深1m 左右,每亩水
1, hold the choice of freshwater shrimp. Shrimp shrimp breeding season in April-October, May-July is the peak of oviparous breeding. Shrimp spawns, which are used for artificial breeding, can be selected from prawns caught in the Lake District or from artificially bred water bodies. Shrimp holding the requirements of specifications in the 4-6cm winter wintering shrimp, neat specifications, strong physique, disease-free and non-injury. Selected freshwater shrimp ponds to raise, shrimp pond area of 1-3 mu, depth of about 1m, per mu of water