THE SEED REARING OF SERIOLA DUMERILI

The results fr om this study indicate that the cult iva ted Ser iola dumeri li in the sea waters of Fujian Pr ovince breed between May and July ,with a peak per iod from the middle of May to the middle of June .The ma tur ed brood f ish could spawn by an inject ion of HCG , the spawning ra te was up to 20 %～ 90 %.Rate of f ert ilizat ion is 70 %～ 89 .8 %, rate of hatching is 61 .9 % ～ 82 %.Water temper atur e of 22 ～ 28 ℃ and sal inity of 32 ～ 35 wer e sui table f or the gr owth and development of larvae , juveniles and young fish .Dur ing the seeds nursery , the management of water quali ty , the nutr ient of food organisms , and the pr event ion and tre atment of dise ases we re enhanced , al together , 224 thousands juveniles of 33 .5 mm in body length were pr oduced , and a set of seed production techniques were established .