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1.亲虾选择可在上年9-10月或当年3-4月选择亲虾,要求体重30-50g,附肢齐全,健康无病,活动力强,雌雄比例为2-3:1。雌雄龙虾在外形上特征明显,容易区别。①达性成熟的龙虾,雄性个体明显大于雌性;②雄性龙足粗大,龙足两端外侧有一明亮的红色软疣,雌性龙足相对较小,大部分雌足上没有红色软疣,即便有颜色也偏淡;③雄性的生殖孔开口在第5对步足基部,雌性生殖孔则开口在第3对步足基部;④性成熟的雌虾腹部膨大,雄虾腹部相对狭小。
1. Selection of broodstock The broodstock can be selected from September to October of the previous year or from March to April of the same year. The body weight of the broodstock is 30-50g. The appendages are complete, healthy and disease free, and the activity is strong. The male / female ratio is 2-3: 1. Male and female lobster in appearance is obvious, easy to distinguish. ① mature lobster, the male individual was significantly larger than the females; ② male dragon foot thick, both ends of the dragon foot on both ends of a bright red molluscum, female dragon foot is relatively small, most of the female foot does not have red molluscs, even if there The color is also partial; ③ male reproductive orifice openings in the fifth step on foot base, the female reproductive orifice is opened in the third pair of step foot base; ④ sexual maturity of the female abdomen enlargement, males and abdomen is relatively small.