Feces Production Rate of Abalone (Haliotis discus hannai) fed Undavia pinnatifida

미역 (Undaria pinnatifida)을 섭취 한 참전복(Haliotis discus hannai)의 분 배출률

  • Park, Jeong-Hwan (Department of Marine Bio-Resources, Gangwon Provincial College)
  • 박정환 (강원도립 대학 해양생물자원개발과)
  • Published : 2005.12.01


The present study investigated the feces production rate and fecal nitrogen production ratio of abalone, Haliotis discus hannai fed seaweed, Undaria pinnatifida. The abalone, with shell lengths of 3 cm, 5 cm, and 7 cm, were tested at temperatures of $12^{\circ}C$, $16^{\circ}C$, and $20^{\circ}C$ in a semi-recirculating aquaculture system. Under the given experimental conditions, the weight specific feces production rate (FPw) of the abalone increased with the decrease of shell length and the increase of temperature. The relationship of the FPw was. $FPw=-3.092+206.573/T - 1916.8/T^2+0.141L -0.037L^2(r^2=0.9412)$. In addition the abalone produced 17.8-22.5% of fecal material against ingested seaweed, Undaria pinnatifida, and $18.4-22.4\%$ of nitrogen ingested total nitrogen.



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