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1.严格挑选 亲虾越冬历时长,必须严格挑选。亲虾选择标准应是虾体大,健康无病无损伤,无畸形。雌虾体长14厘米,雄虾体长12厘米以上为宜。实践证明,低密度养殖大个体的亲虾,其成活率或利用率均较高。对刚蜕皮的软体虾不能作为亲虾使用。
1. Strict selection of cynomolgus overwinter duration, must be strictly selected. Shrimp selection criteria should be large shrimp body, healthy disease-free no damage, no deformity. Female body length of 14 cm, male body length of 12 cm is appropriate. Practice has proved that low-density breeding broodstock large individuals, the survival rate or utilization rate is high. Soft molluscs just molting can not be used as broodstock.