Microalgae-blend tilapia feed eliminates fishmeal and fish oil, improves growth, and is cost viable

Aquafeed manufacturers have reduced, but not fully eliminated, fishmeal and fish oil and are seeking cost competitive replacements. We combined two commercially available microalgae, to produce a high-performing fish-free feed for Nile tilapia ( Oreochromis niloticus )—the world’s second largest gro...

Full description

Saved in:
Bibliographic Details
Published in:Scientific reports 2020-11, Vol.10 (1), p.19328, Article 19328
Main Authors: Sarker, Pallab K., Kapuscinski, Anne R., McKuin, Brandi, Fitzgerald, Devin S., Nash, Hannah M., Greenwood, Connor
Format: Article
Language:English
Subjects:
631/158
631/181
631/601
704/172/4081
Algae
Animal Feed - economics
Animal Feed - standards
Animals
Aquaculture
Aquatic microorganisms
Diet
Digestibility
Docosahexaenoic acid
Docosahexaenoic Acids - metabolism
Feed conversion
Feeds
Fish
Fish oils
Fish Products - economics
Fish Products - standards
Fish Proteins - metabolism
Functional foods & nutraceuticals
Growth rate
Humanities and Social Sciences
Microalgae
multidisciplinary
Nutrient content
Nutritive value
Oreochromis niloticus
Proteins
Science
Science (multidisciplinary)
Tilapia
Tilapia - growth & development
Tilapia - physiology
Weight Gain
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:Aquafeed manufacturers have reduced, but not fully eliminated, fishmeal and fish oil and are seeking cost competitive replacements. We combined two commercially available microalgae, to produce a high-performing fish-free feed for Nile tilapia ( Oreochromis niloticus )—the world’s second largest group of farmed fish. We substituted protein-rich defatted biomass of  Nannochloropsis oculata (leftover after oil extraction for nutraceuticals) for fishmeal and whole cells of docosahexaenoic acid (DHA)-rich Schizochytrium sp. as substitute for fish oil. We found significantly better ( p  
ISSN:2045-2322
2045-2322
DOI:10.1038/s41598-020-75289-x