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Stimulation of Spermiation by Human Chorionic Gonadotropin and Carp Pituitary Extract in Grass Puffer, Takifugu niphobles

  • Goo, In Bon (Inland Aquaculture Research Center, National Fisheries Research & Development Institute) ;
  • Park, In-Seok (Division of Marine Bioscience, College of Ocean Science and Technology, Korea Maritime and Ocean University) ;
  • Gil, Hyun Woo (Division of Marine Bioscience, College of Ocean Science and Technology, Korea Maritime and Ocean University) ;
  • Im, Jae Hyun (Inland Aquaculture Research Center, National Fisheries Research & Development Institute)
  • Received : 2015.11.10
  • Accepted : 2015.12.01
  • Published : 2015.12.31

Abstract

Spermiation was stimulated in the mature grass puffer, Takifugu niphobles, with an injection of human chorionic gonadotropin (HCG) or carp pituitary extract (CPE). Spermatocrit and sperm density were reduced, but milt production was increased in both the HCG and CPE treatment groups relative to those in the control group (P < 0.05). These results should be useful for increasing the fertilization efficiency in grass puffer breeding programs.

Keywords

References

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