Mass culture of the brackish water cyclopoid copepod Paracyclopina nana Smirnov

기수산 요각류 Paracyclopina nana의 대량배양

  • Lee, Kyun-Woo (Marine Life & Ecosystem Division, Korea Institute of Ocean Science & Technology) ;
  • Choi, Young-Ung (Marine Life & Ecosystem Division, Korea Institute of Ocean Science & Technology)
  • Received : 2016.05.24
  • Accepted : 2016.08.11
  • Published : 2016.08.31


Marine copepods are ideal live prey for fish larvae, and many studies on the mass culture of the organism have been reported. This study performed a mass culture of the brackish copepod Paracyclopina nana containing nauplius and C4-adult production methods. In nauplius production, the harvested nauplii over 95% were comprised of N1 and N2. Daily mean nauplius production of two trials for 15 days were $6.9{\times}10^6$ and $7.2{\times}10^6$ individuals, respectively. The densities of the adult females were maintained at a similar level of the initiation during production. In C4-adult production, the proportion of harvested copepods containing C4-adult males, females and ovigerus females were 49%, 28%, and 18%, respectively. The daily mean nauplius production of the two trials for 16 days were $8.2{\times}10^5$ and $9.0{\times}10^5$ individuals, respectively. As a result, the continuous production of P. nana using the mass production system was successful. Therefore, the continuous and stable feeding for fish larvae in aquaculture would be possible by the selection of the copepod culture method depending on the mouth size of the fish.


Supported by : 한국해양과학기술원


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