Evaluation of gross protein and lipid requirements in formulated feed for honey gourami, Trichogaster chuna (Hamilton 1822)

Sukumaran, Mithun and Vijayagopal, P and Chakraborty, Kajal and Chan, Diana P S (2018) Evaluation of gross protein and lipid requirements in formulated feed for honey gourami, Trichogaster chuna (Hamilton 1822). Journal of the World Aquaculture Society. pp. 1-15.

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    Abstract

    Gross protein and fat requirements in formulated feeds designed for the honey gourami, Trichogaster chuna (initial weight 1.34–1.38 g), were investigated. Feeds containing 30%, 40%, and 50% protein and 6% and 9% lipid at each protein level were tested. Protein and energy sources used were from fishmeal, shrimp meal, clam meal, soy flour, and wheat flour. An equal mixture of crude sardine oil and groundnut oil was used as the source of lipids. Comparison of the whole gourami amino acid profiles before and after the dietary treatments indicated a relative decline in all amino acids except methionine and lysine. Fatty acid profiles of whole individuals after dietary treatment showed a substantial increase in monounsaturated fatty acids relative to the initial fatty acid profiles. No significant differences were observed in fish growth between dietary treatments (p > .05). Feeds containing 30% protein and 6% lipid were found to be adequate for normal growth, while feeds with 40% protein and 6% lipid were seen to help accelerate growth and reproduction. In this study, protein and lipid levels required for regular maintenance, sexual maturation, and spawning of aquarium‐reared gourami were established.

    Item Type: Article
    Uncontrolled Keywords: aquariculture, honey gourami, nutrition
    Subjects: Marine Fisheries > Feed
    Food and Feeding
    Divisions: CMFRI-Kochi > Marine Biotechnology
    Subject Area > CMFRI > CMFRI-Kochi > Marine Biotechnology
    CMFRI-Kochi > Marine Biotechnology
    Subject Area > CMFRI-Kochi > Marine Biotechnology
    Depositing User: Arun Surendran
    Date Deposited: 28 Aug 2018 05:41
    Last Modified: 28 Aug 2018 05:41
    URI: http://eprints.cmfri.org.in/id/eprint/13000

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