Dried Macroalgae Feed Additive for Ruminant Methane Reduction
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Solution Overview
Problem
Current ruminant feeds do not effectively reduce methane production and improve meat and milk quality, with inconsistent results from various seaweed species, and there is a lack of commercially viable methods for cultivating native macroalgae that can be used as feed additives to address these issues.
Innovation Solution
A feedstock additive made from cultivated brown or red algae species native to specific ocean regions, such as the northeastern Pacific and northwestern Atlantic, which are dried and added to ruminant feed at 1-5% dry weight, along with optional blanching or freezing to enhance biomass production and bioavailability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-generated harmful factors
If various seaweed species are added to ruminant feed, then methane production is reduced, but the effect is inconsistent and unreliable
Solution Approach 1:
The patent specifies precise inclusion rates (1-5% of dry matter) and defines specific seaweed species or combinations to achieve consistent methane reduction. By controlling the concentration and type of seaweed additive, the unreliable effects observed in previous studies are standardized into a reliable treatment protocol.
Solution Approach 2:
The patent employs composite feed formulations that combine seaweed additives with specific base feeds (grass silage, cereal silage, or concentrate). This composite approach ensures that the methane-reducing properties of seaweed are maintained while achieving consistent results across different feeding systems and animal types.
2Productivity
If seaweed is cultivated and processed for feed use, then biomass availability increases, but processing complexity increases
Solution Approach 1:
The patent employs preliminary processing steps including drying seaweed to reduce moisture content before feeding. This pre-processing maintains biomass stability and prevents spoilage during storage and transport, enabling scalable production without requiring complex on-site processing facilities.
Solution Approach 2:
The patent uses dried seaweed biomass that can be stored and transported easily without requiring complex preservation systems. The dried form is stable, inexpensive to produce, and can be directly incorporated into feed rations, avoiding the need for complex processing infrastructure.
3Object-generated harmful factors
If non-native seaweed species are used, then methane reduction effect is strong, but environmental invasiveness risk increases
Solution Approach 1:
The patent uses dried seaweed as an intermediary - the seaweed is harvested, processed into dry powder or flakes, and then incorporated into feed rations. This intermediary form prevents live seaweed from establishing in the environment while maintaining the active compounds that reduce methane production in the rumen.
Solution Approach 2:
The patent extracts the beneficial methane-reducing properties of seaweed by drying and processing it into a feed additive form. This separates the functional compounds from the living organism, eliminating the invasive risk while preserving the methane mitigation effect.
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
The additive significantly reduces methane production and bacterial counts in ruminants, while improving growth rate, meat quality, and fatty acid profiles by incorporating native macroalgae that produce high biomass and are cultivated in ocean-based farms, reducing environmental impact and invasive species concerns.
Implementation Method 1
The additive significantly reduces methane production and bacterial counts in ruminants
Implementation Method 2
along with optional blanching or freezing to enhance biomass production and bioavailability
Implementation Method 3
along with optional blanching or freezing to enhance biomass production and bioavailability
Data Source
AI summary
A feed additive is provided for adding to a ruminant feedstock, the feed additive comprising a dried, powdered mixture of at least two macroalgae selected from the group consisting of ocean farm-grown Egregia menziesii, Neoagarum fimbriatum, Saccharina latissimi, Alaria marginate, Macrocystis pyrifera, Hedophyllum sessile, Callophyllis species, Opuntiella californica, Sarcodiotheca gaudichaudii, and Mazzaella splendins. A method of manufacturing the feed additive is also provided as is use of the feed additive.