Effect of Feeds on Growth Performance andSurvival Rate of Fourfinger Thread Finfish (Eleutheronema tetradactylumShaw, 1804) at First Stage of Grow-Out Period

Received: 19-03-2013

Accepted: 25-06-2013

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Issue: Vol. 11 No. 4 (2013)

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CHĂN NUÔI – THÚ Y – THỦY SẢN

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Sang, V., & Muu, T. (2024). Effect of Feeds on Growth Performance andSurvival Rate of Fourfinger Thread Finfish (Eleutheronema tetradactylumShaw, 1804) at First Stage of Grow-Out Period. Vietnam Journal of Agricultural Sciences, 11(4), 519–524. http://testtapchi.vnua.edu.vn/index.php/vjasvn/article/view/1637

Effect of Feeds on Growth Performance andSurvival Rate of Fourfinger Thread Finfish (Eleutheronema tetradactylumShaw, 1804) at First Stage of Grow-Out Period

Vu Van Sang (*) 1, 2, 3, 4 , Tran The Muu 5

  • 1 Viện nghiên cứu Nuôi trồng thủy sản 1
  • 2 Viện nghiên cứu Nuôi trồng thủy sản
  • 3 Trung tâm Quốc gia giống Hải sản miền Bắc, Viện Nghiên cứu Nuôi trồng Thủy sản 1
  • 4 Trung tâm Quốc gia giống Hải sản miền Bắc
  • 5 Trung tâm Quốc gia giống Hải sản miền Bắc, Viện Nghiên cứu Nuôi trồng thủy sản 1

    • Keywords

    Fourfinger thread finfish, Eleutheronema tetradactylum, feed

    Abstract


    The experiment was carried out to identify suitable feed for first stage of grow-out period of fourfinger thread finfish (Eleutheronema tetradactylum) in sea cages at average stocking size of 4.21 g/fish with a density of 8 fish/m³. Fish were fed with three different diets as three treatments: 1) CN (100% commercial pellet with 35% crude protein), 2) CN&CT (50% commercial pellet with 35% protein and 50% fresh trash fish) and 3) CT (100% fresh trash fish) for 60 days with triplicates. Growth performance and survival rate of fourfinger thread finfish were not significantly different among the treatments (P>0.05). Food conversion ratio (FCR) and size variation (CV) were considerably lower in CN treatment than those in other two treatments, reaching 2.40 and 9.81%, respectively (P<0.05). Environmental factors such as temperature, DO, salinity, pH và NH3 were in the suitable range for fourfinger thread finfish. This shows that commercial pellet (35% crude protein) can be substituted for fresh trash fish for first stage of grow-out period of fourfinger thread finfish.

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