Feed Additive for Ruminant Methane Reduction and Digestibility
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Solution Overview
Problem
Ruminants, particularly cattle, are significant contributors to biogenic methane emissions through enteric fermentation, and existing methods to mitigate methane production from them are not effective in simultaneously improving organic matter digestibility.
Innovation Solution
The combined use of propanediol mononitrate with a mixture of at least six natural phenolic substances, such as 3-hydroxyphenol, tannic acid, carvacrol, linalool, anethol, limonene, and salicylates, administered orally or as a feed additive, to reduce methane emissions and enhance organic matter digestibility in ruminants.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-generated harmful factors
If feed additives are used to inhibit methane production by methanogenic archaea, then methane emissions are reduced, but organic matter digestibility is not improved
Solution Approach 1:
The patent combines propanediol mononitrate with natural phenolic substances (such as tannic acid, resorcinol, carvacrol, linalool, anethol, limonene, and salicylates) into a composite feed additive formulation. This merging of multiple active ingredients with different mechanisms of action allows the composition to simultaneously inhibit methanogenic archaea and improve organic matter digestibility, resolving the technical contradiction between reducing methane emissions and maintaining or improving digestibility.
Solution Approach 2:
The invention uses a composite material approach by formulating a feed additive containing propanediol mononitrate in combination with natural phenolic substances. The synergistic interaction between these different compounds creates a composite formulation that achieves both methane reduction and digestibility improvement, which neither substance could achieve alone or that conventional single-substance additives fail to achieve.
2Object-generated harmful factors
If conventional feed additives are used to reduce methane production, then methane emissions are reduced, but the effectiveness is insufficient to simultaneously improve organic matter digestibility
Solution Approach 1:
The patent changes the chemical and functional parameters of the feed additive by using propanediol mononitrate combined with natural phenolic substances, which have different modes of action compared to conventional additives like ionophores or antibiotics. This parameter change in the additive composition enables simultaneous achievement of methane reduction and digestibility improvement, overcoming the limitations of conventional single-parameter additives.
Solution Approach 2:
The natural phenolic substances act as intermediaries that modulate the rumen environment and microbial activity. These phenolic compounds interact with methanogenic archaea and other rumen microorganisms, creating a mediated effect that reduces methane production while simultaneously enhancing the breakdown and digestion of organic matter, thereby improving overall digestibility.
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 combination synergistically reduces methane production by at least 30% and improves organic matter digestibility, offering a significant contribution to climate change mitigation and animal nutrition.
Implementation Method 1
Methane emission from the ruminant livestock sector—a by-product from enteric fermentation of plant biomass in the ruminant digestive system—is produced by methanogenic archaea. Various attempts have been made in the last decade to mitigate methane production from ruminant animals. Although the approaches vary, the most popular method so far are feed additives which act in the rumen fluid by reducing respectively inhibiting the methane production by methanogenic archaea.
Implementation Method 2
Methane emission from the ruminant livestock sector—a by-product from enteric fermentation of plant biomass in the ruminant digestive system
Data Source
AI summary
The present invention relates to the use of propanediol mononitrate in combination with certain natural substances for reducing the production of methane emanating from the digestive activities of said ruminant as well as in increasing the organic matter digestibility in said ruminant.