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1.亲虾选择亲虾可从自然水体捕捞,也可在养殖虾中选择已达性成熟的个体。所选亲虾应肢体健全,无病、无伤,活力强,性腺发育良好而饱满,体长在4厘米以上。 2.越冬管理每年12月至翌年3月是青虾越冬期。可利用池塘或网箱越冬。池塘面积1～2亩(1亩=667平方米),保持水深1.5米以上;网箱面积50～100平方米,水深1.2米。池塘内种水花生、水葫芦等,网箱内可放一些棕片、柳树
1. broodstock selection broodstock can be harvested from natural water, but also in breeding shrimp to select mature individuals. The selected broodstock should be physically sound, disease-free, non-injury, strong vitality, gonadal development is good and full, body length of 4 cm or more. 2. Overwintering management Every December to March next year is the winter shrimp overwinter period. Pond or cage can be used for winter. Pond area of 1 to 2 acres (1 mu = 667 square meters), to maintain water depth of 1.5 meters above; cages area of 50 to 100 square meters, water depth of 1.2 meters. Pond water peanut, water hyacinth, etc., can put some cages in the cage, willow