Partial substitution of fish meal with soybean and cottonseed meals in diets for African bonytongue, Heterotis niloticus (Cuvier, 1829) fingerlings: Effects on growth, feed efficiency and body composition

Serge Eric Monentcham Monentcham, P. Kestemont, J. Kouam, D. Chuba, B. Wathelet, V. Pouomogne

Research output: Contribution to journalArticle

Abstract

A feeding trial was conducted to examine the suitability of soybean meal (SBM) and cottonseed meal (CSM) as a partial substitute for the dietary protein supplied by fish meal for H. niloticus fingerlings. Fish were fed with four isonitrogenous (350 g kg crude protein) and isoenergetic (18.8 kJ g GE) diets in which fish meal protein was gradually replaced by plant protein from a mixture of SBM and CSM (0%, 25%, 50% and 75% in diets 1, 2, 3 and 4 respectively). Triplicate groups of fingerlings H. niloticus (mean weight of 5 g) were handfed twice daily to apparent satiation for 60 days inside net hapas. Growth performances (SGR varied from 3.09% to 3.16% day ) of fingerlings fed diets containing 0%, 25% and 50% plant protein were not significantly different (P>0.05). At 75% fish meal substitution, growth and feed utilization efficiency indicators were significantly reduced (P
Original languageEnglish
JournalAquaculture Research
Volume41
Issue number10
DOIs
Publication statusPublished - 1 Sep 2010

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