Ruminant Feed Pellets with Dual-Layer Coating for Controlled Release
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Solution Overview
Problem
Current zootechnical compositions face challenges in maintaining the integrity and bioactivity of physiologically active substances due to degradation by microbial flora and digestive enzymes in ruminants, leading to inadequate nutrient delivery and high production costs associated with synthetic polymers.
Innovation Solution
Development of micro-pellets with a core and a two-layer coating, where the core contains active substances and a matrix of binding and inert ingredients, and the coating consists of a water-repellent first layer and a temperature-resistant second layer, allowing controlled release of active substances primarily in the post-ruminal zone.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If synthetic polymers are used to protect active substances from degradation in the rumen, then protection effectiveness is improved, but production cost increases and non-physiological substances are introduced into the animal's diet
Solution Approach 1:
The patent replaces expensive synthetic polymers with natural, biodegradable coatings of vegetable origin (such as waxes, fats, or proteins) that serve their protective function temporarily in the rumen and then degrade naturally. This eliminates the need for persistent synthetic materials, reducing both cost and harmful non-physiological substance accumulation while maintaining adequate protection of active substances during transit through the rumen.
2Ease of manufacture
If vegetable origin substances are used for controlled release in the intestine, then production cost is reduced, but protection from microbial flora and digestive enzymes before reaching the intestine is insufficient
Solution Approach 1:
The patent applies a protective coating to the active substances before they enter the rumen, creating a barrier that prevents degradation by microbial flora and digestive enzymes during the lengthy transit time in the prestomachs. This preliminary protection ensures that when the substances reach the intestine, they remain intact and bioactive, overcoming the insufficiency of unprotected vegetable-based formulations.
3Ease of operation
If active substances are administered orally via formula products with mechanical mixing, then ease of administration is improved, but chemical-enzymatic degradation occurs before reaching the intestine
Solution Approach 1:
The patent uses a coating layer (shell) formed from natural substances that envelops the active substances in the formula product. This flexible shell protects the active substances from chemical-enzymatic degradation in the rumen while allowing the entire formulation to maintain its oral administration route and be easily mixed with feed. The coating acts as a protective barrier that does not interfere with the ease of mechanical mixing during formulation.
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 micro-pellets effectively protect active substances from degradation, ensuring their absorption in a non-degraded form and maintaining mechanical and thermal stability, thereby enhancing nutrient delivery and reducing production costs.
Implementation Method 1
an initial layer composed of a substance that forms a water-repellent film that is stable under the conditions in the rumen for at least 8 hours
Implementation Method 2
a second impact-resistant layer that withstands temperatures of between 80 and 100° C.
Data Source
AI summary
The subject of this invention is a controlled release composition for zootechnical use. In particular, the subject of this invention is a composition comprising micro-pellets that are able to release the physiologically active substances they contain in a controlled manner. In addition, this invention refers to a procedure for preparing said composition as well as the use of said composition in the zootechnical sector.