Replacing fishmeal with plant protein in Atlantic salmon (Salmo salar) diets by supplementation with fish protein hydrolysate

Autor:	R.P. Ross, F. Egan, Sarah C. Culloty, Catherine Stanton, Fergus W. J. Collins, Kiera Murphy, Philip McGinnity, Jason Whooley, Ivan Sugrue, K. Busca, Grace Ahern, Sian Egerton, N. Muller, Alex H.L. Wan
Jazyk:	angličtina
Rok vydání:	2020
Předmět:	0301 basic medicine Fish Proteins Atlantic salmon Protein Hydrolysates Salmo salar lcsh:Medicine Biology Hydrolysate Article Plant protein 03 medical and health sciences Fish meal Animals 14. Life underwater Food science Salmo lcsh:Science Bacteroidaceae Plant Proteins Fishmeal 2. Zero hunger chemistry.chemical_classification Multidisciplinary Fish protein hydrolysate lcsh:R 04 agricultural and veterinary sciences biology.organism_classification 6. Clean water Amino acid Gastrointestinal Microbiome 030104 developmental biology chemistry 040102 fisheries 0401 agriculture forestry and fisheries Fish lcsh:Q Metagenomics Ichthyology
Zdroj:	Scientific Reports, Vol 10, Iss 1, Pp 1-16 (2020) Scientific Reports
ISSN:	2045-2322
Popis:	The effects of feeding an 80% plant protein diet, with and without fish protein hydrolysate (FPH) supplementation, on the growth and gut health of Atlantic salmon were investigated. Fish were fed either (A) a control diet containing 35% fishmeal, (B) an 80% plant protein diet with 15% fishmeal, (C) an 80% plant protein diet with 5% fishmeal and 10% partly hydrolysed protein, or (D) an 80% plant protein diet with 5% fishmeal and 10% soluble protein hydrolysate. Fish on the 80% plant- 15% fishmeal diet were significantly smaller than fish in the other dietary groups. However, partly-hydrolysed protein supplementation allowed fish to grow as well as fish fed the control 35% fishmeal diet. Fish fed the FPH diets (diets C and D) had significantly higher levels of amino acids in their blood, including 48% and 27% more branched chain amino acids compared to fish on the 35% fishmeal diet, respectively. Plant protein significantly altered gut microbial composition, significantly decreasing α-diversity. Spirochaetes and the families Moritellaceae, Psychromonadaceae, Helicobacteraceae and Bacteroidaceae were all found at significantly lower abundances in the groups fed 80% plant protein diets compared to the control fishmeal diet.
Databáze:	OpenAIRE
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