HUBEI AGRICULTURAL SCIENCES ›› 2020, Vol. 59 ›› Issue (20): 127-129.doi: 10.14088/j.cnki.issn0439-8114.2020.20.028

• Aquatic Products • Previous Articles     Next Articles

Study on artificial propagation technology of Mystus guttatus

TAN Dong-chu1, LIU Qing-shan1, XU Hua-jian1, WEI Xue-yao1, HE Neng-zhen2, WEI Xiang2, HE Xing-heng1, TAN De-qing1   

  1. 1. Wuhan SINOECO Ecological Science & Technology Co.,LTD.,Wuhan 430061,China;
    2. Guangxi Guangtou Energy Co.,Ltd. Bridge Gong Hydropower Station Branch,Laibin 546119,Guangxi,China
  • Received:2019-07-15 Online:2020-10-25 Published:2020-12-04

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Abstract: In 2019,the fish proliferation and discharge station of Qiaogong hydropower station used DOM,LRH-A2 and HCG for artificial oxytocin.Results showed that 4 batches of oxytocin were successful,with the 2-needle injection method.The average yield was about 57.5%,and the average fertilization rate was about 48.7%,and the average hatching rate was about 27.6%.The breeding peak was in June.The hatching of fertilized eggs was more affected by water temperature.The hatching effect was better between 26~28.The filming time was 62~64 h.The spot diameter of spotted eggs was 3.1~3.8 mm.The full length of the outcrop was 5~6 mm,and the length of the flat fry was 13.5~15.5 mm.

Key words: Mystus guttatus, domesticated fish, artificial reproduction, artificial hatching, fry breeding

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