Hatching rates of the embryos of Anguilla japonica were tested in artificial sea water with different concentrations Ca2+,Mg2+ and different Ca2+/Mg2+(R). The results show that when salinity is suitable, the concentra...Hatching rates of the embryos of Anguilla japonica were tested in artificial sea water with different concentrations Ca2+,Mg2+ and different Ca2+/Mg2+(R). The results show that when salinity is suitable, the concentrations of the Ca2+,Mg2+ must be reached a certain volume in order to get high hatching rate. The suitable concentrations of Ca2+,Mg2+ are 330-450 mg/L and 990-1 300 mg/L respectively, and R is 2.6-3.4.展开更多
文摘Hatching rates of the embryos of Anguilla japonica were tested in artificial sea water with different concentrations Ca2+,Mg2+ and different Ca2+/Mg2+(R). The results show that when salinity is suitable, the concentrations of the Ca2+,Mg2+ must be reached a certain volume in order to get high hatching rate. The suitable concentrations of Ca2+,Mg2+ are 330-450 mg/L and 990-1 300 mg/L respectively, and R is 2.6-3.4.
