The technology relates to the isolation, identification and characterisation of sporeforming probiotic strains with NSPase activity. The strains are able to hydrolise non-starch polysaccharides and access their potential as probiotics for aquafeeds.
Aquaculture sustainability requires the replacement of fish meal (FM) with plant feedstuffs (PF) in aquafeeds to reduce diet costs and environmental impact. However, the nutritive value of PF is limited by the presence of non-starch polysaccharides (NSPs). NSPs are not digested by fish, becoming a source of organic pollutants, negatively impacting fish performance and gut health.
The technology described involves the isolation and characterisation of novel sporeforming probiotic strains with NSPs active hydrolase activity from fish gut microbiota.
The bacterial strains have the potential to produce carbohydrate-active enzymes allowing the host to obtain energy from otherwise indigestible dietary constituents.
The model species used was the European seabass. The technology can be used in other species.
Current development status
Experimental technologies
Applications
Probiotics for PF in aquaculture feed;
Feed additives
Desired business relationship
Technology selling
Patent licensing
Technology development
CIIMAR - Interdisciplinary Centre of Marine and Environmental Research - is a leading research and advanced training institution of the University of Porto, working at the frontier of Ocean Knowledge and Innovation.
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