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Nutritional and microbial quality of extruded fish feeds containing black soldier fly (Hermetia illucens L) larvae meal as a replacement for fish meal for tilapia (Oreochromis niloticus) and catfish (Clarius gariepinus)

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Title Nutritional and microbial quality of extruded fish feeds containing black soldier fly (Hermetia illucens L) larvae meal as a replacement for fish meal for tilapia (Oreochromis niloticus) and catfish (Clarius gariepinus)
 
Creator Were, G.J.
Irungu, F.G.
Ngoda, P.N.
Affognon, H.
Ekesi, S.
Nakimbugwe, D.
Fiaboe, K.
Mutungi, C.
 
Subject insects
feeds
fishes
extrusion
kenya
black soldier fly
fish meal
ecology
 
Description The black soldier fly (Hermetia illucens L.) is a potential substitute of fish meal in feeds. However, information on the nutrition and safety of these feeds is inadequate. This study examined the quality of fish feed pellets extruded from blends formulated with and without black soldier fly larval meal (BSFLM). A further aim was to study the influence of extrusion processing types on feed composition. Two iso-proteinous feed blends containing 28% protein were formulated with 0% BSFLM (BSFLM0) and 75% BSFLM (BSFLM75). The feed blends were then cold- or hot-extruded (CE or HE) and the products analyzed for proximate composition, amino acids, fatty acid profiles and microbial content. The BSFLM75_HE pellets contained significantly higher levels of fat (15.6%), leucine (11.5 mg/g), and oleic acid (79.1 µg/g). Hot extrusion concentrated phenylalanine and leucine, increased polyunsaturated fatty acids and saturated fatty acids and decreased total viable counts, coliforms, yeast and molds, endospores and Salmonella.
 
Date 2022-10-02
2021-06-07T14:50:48Z
2021-06-07T14:50:48Z
 
Type Journal Article
 
Identifier Were, G.J., Irungu, F.G., Ngoda, P.N., Affognon, H., Ekesi, S., Nakimbugwe, D., ... & Mutungi, C.M. (2021). Nutritional and microbial quality of extruded fish feeds containing black soldier fly (Hermetia illucens L) larvae meal as a replacement for fish meal for tilapia (Oreochromis niloticus) and catfish (Clarius gariepinus). Journal of Applied Aquaculture, 1-17.
1045-4438
https://hdl.handle.net/10568/113877
https://doi.org/10.1080/10454438.2021.1922327
NATURAL RESOURCE MANAGEMENT
SOCIAL SCIENCE & AGRICUSINESS
 
Language en
 
Rights Copyrighted; all rights reserved
Limited Access
 
Format p. 1036-1052
 
Publisher Informa UK Limited
 
Source Journal of Applied Aquaculture