Total replacement of fish meal by enriched-fatty acid Hermetia illucens meal did not substantially affect growth parameters or innate immune status and improved whole body biochemical quality of Nile tilapia juveniles
Agbohessou, Pamphile S.; Mandiki, Syaghalirwa N. M.; Gougbédji, Armelet al.
2021 • In Aquaculture Nutrition, 27 (3), p. 880 - 896
[en] The study was designed to evaluate the effects of total remplacement of fish meal (FM) and fish oil (FO) by vegetable oil and black soldier fly (BSF) larval meal enriched with fatty acids (FAs) in Nile tilapia juveniles. Fish were fed a FMFO control diet compared to a non-FA-enriched BSF diet (BSF/T0) and diets enriched in linolenic acid-ALA (BSF/T1) or in eicosapentanoic acid-EPA (BSF/T2). After 59 days, the BSF diets did not affect growth except for a decrease by the BSF/T1 diet. However, protein utilization and digestibility were reduced by all the BSF diets. FA-enriched diets did not improve the digestive enzyme activities or immune parameters, while lysozyme and ACH50 values were increased by the BSF/T0 diet. Levels of polyunsaturated FAs in the whole body of fish fed ALA or EPA-enriched BSF diets were comparable to those of FMFO controls. The results demonstrate that BSF meal can totally replace FM without substantially effect on growth or innate immune status. The decrease in fish carcass FA quality induced by the BSF meal can be prevented by a well defined protocol for PUFA enrichment. Nonetheless, investigation of the long-term effects of the BSF meal use during the ongrowing phase is still needed.
Disciplines :
Entomology & pest control
Author, co-author :
Agbohessou, Pamphile S. ; Research Unit in Environmental and Evolutionary Biology (URBE), Institute of Life, Earth and Environment (ILEE), University of Namur, Namur, Belgium ; Laboratory of Hydrobiology and Aquaculture (LHA), Faculty of Agricultural Sciences, University of Abomey-Calavi, Cotonou, Benin
Mandiki, Syaghalirwa N. M. ; Research Unit in Environmental and Evolutionary Biology (URBE), Institute of Life, Earth and Environment (ILEE), University of Namur, Namur, Belgium
Gougbédji, Armel; Laboratory of Hydrobiology and Aquaculture (LHA), Faculty of Agricultural Sciences, University of Abomey-Calavi, Cotonou, Benin ; Functional and Evolutionary Entomology–Gembloux Agro-Bio Tech (University of Liège), Gembloux, Belgium
Megido, Rudy Caparros; Functional and Evolutionary Entomology–Gembloux Agro-Bio Tech (University of Liège), Gembloux, Belgium
Hossain, Md. Sakhawat ; Research Unit in Environmental and Evolutionary Biology (URBE), Institute of Life, Earth and Environment (ILEE), University of Namur, Namur, Belgium ; Department of Aquaculture, Faculty of Fisheries, Sylhet Agricultural University, Sylhet, Bangladesh
De Jaeger, Pauline; Louvain Institute of Biomolecular Science and Technology, UCLouvain, Louvain-la-Neuve, Belgium
Larondelle, Yvan; Louvain Institute of Biomolecular Science and Technology, UCLouvain, Louvain-la-Neuve, Belgium
Francis, Frédéric ; Université de Liège - ULiège > TERRA Research Centre > Gestion durable des bio-agresseurs
Lalèyè, Philippe A.; Laboratory of Hydrobiology and Aquaculture (LHA), Faculty of Agricultural Sciences, University of Abomey-Calavi, Cotonou, Benin
Kestemont, Patrick; Research Unit in Environmental and Evolutionary Biology (URBE), Institute of Life, Earth and Environment (ILEE), University of Namur, Namur, Belgium
Language :
English
Title :
Total replacement of fish meal by enriched-fatty acid Hermetia illucens meal did not substantially affect growth parameters or innate immune status and improved whole body biochemical quality of Nile tilapia juveniles
The authors are grateful to ARES‐CCD (Académie de Recherche et d’Enseignement Supérieur—Commission de Copopération au Développement‐ Fédération Wallonie Bruxelles) and DGD (General Directorate for Development, Ministry of Cooperation and Development, Federal Government of Belgium) for supporting this study as a part of the Concerted Initiative Project (Interuniversity programme: ‘Projet PIC Aquaculture ULg/UAC’ Bénin).The authors are grateful to ARES-CCD (Acad?mie de Recherche et d?Enseignement Sup?rieur?Commission de Copop?ration au D?veloppement- F?d?ration Wallonie Bruxelles) and DGD (General Directorate for Development, Ministry of Cooperation and Development, Federal Government of Belgium) for supporting this study as a part of the Concerted Initiative Project (Interuniversity programme: ?Projet PIC Aquaculture ULg/UAC? B?nin).
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