Microbial EPA and DHA Source Replacing Fish Oil in Pet Food
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Solution Overview
Problem
The rapidly growing global animal feeding industry faces a challenge in relying on finite stocks of marine pelagic fish for fish oil, which cannot meet the increasing demand for pet food products.
Innovation Solution
A method of sustainably producing pet food products by formulating them with a microbial source of eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), replacing part or all of the fish oil, using microorganisms such as Schizochytrium species or transgenic microbes engineered for polyunsaturated fatty acid production.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If fish oil from wild caught pelagic fish is used as the sole dietary lipid source of DHA and EPA, then the pet food product provides necessary omega-3 fatty acids, but the finite stocks of marine pelagic fish cannot meet the increasing global demand for animal feed products
Solution Approach 1:
The patent changes the source parameter of omega-3 fatty acids from marine fish to microbial organisms (Schizochytrium species, thraustochytrids, or transgenic microbes), transforming the production system from finite marine resources to renewable microbial fermentation, thereby increasing the quantity of DHA and EPA supply to meet growing demand
Solution Approach 2:
The patent creates a copy of the desired function (production of DHA and EPA) by using genetically engineered microbes that replicate the fatty acid production capability traditionally associated with marine fish, allowing scalable production independent of marine stock limitations
2Productivity
If transgenic microbes genetically engineered for polyunsaturated fatty acid production are used, then the production of EPA and DHA can be increased to meet demand, but the complexity of the production process increases
Solution Approach 1:
The patent extracts the essential function of omega-3 fatty acid production from complex marine ecosystems and isolates it into simplified microbial systems, separating the desired biochemical function from the complexity of marine food webs and enabling controlled, scalable production
Solution Approach 2:
The patent employs universal microbial platforms (Schizochytrium species, thraustochytrids, or transgenic microbes) that can produce multiple polyunsaturated fatty acids (DHA, EPA, and other PUFAs) simultaneously, allowing a single production system to meet diverse nutritional requirements
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach allows for the sustainable production of pet food products with the necessary omega-3 fatty acids, EPA, and DHA, while reducing dependence on finite marine resources, thus meeting the growing demand and ensuring environmental sustainability.
Implementation Method 1
the microbial source comprising DHA and EPA is produced using a process based on the natural abilities of native microbes of Schizochytrium species
Data Source
AI summary
Methods for sustainably producing a pet food product and the pet food products thereby produced include formulating a pet food product by replacing all or part of fish oil in a pet food product composition with a single microbial source of eicosapentaenoic acid (“EPA”) and docosahexaenoic acid (“DHA”). In a preferred embodiment, the microbial source comprising DHA and EPA derives from a microorganism/microbe of the genus Schizochytrium or Thraustochytrium.