Optimum dietary phosphorus level of juvenile Japanese flounder Paralichthys olivaceus reared in the recirculating system

Optimum dietary phosphorus level of juvenile Japanese flounder Paralichthys olivaceus reared in the recirculating system

An 8-week feeding trial was conducted to determine the optimum dietary phosphorus level of juvenile Japanese flounder Paralichthys olivaceus reared in the recirculating system. The basal diet containing 0.33% total phosphorus (TP) was supplemented with NaH2PO4.H2O to provide 0.33, 0.51, 0.71, 0.94,...

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Veröffentlicht in:Fisheries science 2005-02, Vol.71 (1), p.168-173
Hauptverfasser: Wang, X. (Pukyong National Univ., Pusan (Korea R.)), Chol, S, Park, S, Yoo, G, Kim, K, Kang, J.C, Bai, S.C
Format: Artikel
Sprache:eng
Schlagworte:
Aquaculture
COMPOUND FEEDS
Diet
dietary phosphorus
Feed conversion
Fish
juvenile Japanese flounder
JUVENILES
PARALICHTHYS OLIVACEUS
PHOSPHORUS
Physical growth
Regression analysis
requirement
Variance analysis
WASTEWATER TREATMENT
WATER REUSE
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Zusammenfassung:An 8-week feeding trial was conducted to determine the optimum dietary phosphorus level of juvenile Japanese flounder Paralichthys olivaceus reared in the recirculating system. The basal diet containing 0.33% total phosphorus (TP) was supplemented with NaH2PO4.H2O to provide 0.33, 0.51, 0.71, 0.94, 1.10 and 2.12% TP for the experimental diets. Fish averaging 2.0 +- 0.04 g (mean +- SD) were fed in triplicate groups with the experimental diets for 8 weeks. After 8 weeks, fish fed the 0.51% TP diet showed significantly higher weight gain (WG), feed efficiency (FE), specific growth rate (SGR), and protein efficiency ratio (PER) than those fed the 0.33% and 2.12% TP diets (P
ISSN:0919-9268
1444-2906
DOI:10.1111/j.1444-2906.2005.00944.x