Kraft Pulp Feed Pellets for Ruminants
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Solution Overview
Problem
Ruminant feedstuffs with high nutritional value and high digestion efficiency are needed to prevent ruminal acidosis and metabolic disorders, while also being stable and easy to handle, as current roughage feedstuffs have low fermentability and are susceptible to price fluctuations and import issues.
Innovation Solution
Feed pellets made from kraft pulp with a Canadian standard freeness of less than 400 ml, containing a lignocellulosic material, preferably wood, with a kappa number of 5 to 15 and a mechanical durability of 97.5% or more, are produced by pressing kraft pulp with a moisture content of 15 to 35% to create durable and easily digestible pellets.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If concentrate feedstuffs rich in easily digestible carbohydrates are used to increase nutritional value, then nutrient levels increase, but pH in the rumen drops suddenly causing ruminal acidosis
Solution Approach 1:
The patent applies parameter changes by controlling the particle size distribution of feed materials through specific grinding and classification processes. The feed is ground to a mean particle size of 0.5mm to 2.0mm, which modifies the physical parameter of particle size to control the rate of carbohydrate degradation in the rumen, preventing sudden pH drops while maintaining nutritional value.
Solution Approach 2:
The patent uses composite materials by combining multiple feed components (cereal grains, forages, protein sources, fats) in specific ratios and particle size distributions. This creates a composite feed structure where different components work together to buffer pH changes while providing balanced nutrition, preventing ruminal acidosis.
2Reliability
If roughage feedstuffs are used to maintain stable supply, then import dependence decreases, but digestion efficiency is insufficient due to lignin-cellulose complexes
Solution Approach 1:
The patent applies segmentation by breaking down roughage materials into fine particles through controlled grinding and classification. This segments the lignin-cellulose-hemicellulose complexes into smaller units with increased surface area, making them more accessible to ruminal microorganisms and improving digestion efficiency while maintaining the use of domestic roughage resources.
Solution Approach 2:
The patent changes the physical parameter of particle size by grinding roughage materials to specific size ranges (0.5mm to 2.0mm mean particle size). This parameter change increases the surface area to volume ratio of cellulose and hemicellulose, enhancing their degradability by ruminal microbes while using domestically available roughage resources.
3Quantity of substance
If feed intake is increased to maintain milk production or weight gain, then nutrient supply increases, but ruminal acidosis risk increases due to sudden carbohydrate intake
Solution Approach 1:
The patent applies dynamics by creating a feed formulation where particle size distribution and ingredient composition are dynamically balanced to control the rate of carbohydrate release in the rumen. The mixed particle size structure (0.5mm to 2.0mm mean size) creates a dynamic buffering effect that allows increased feed intake while preventing sudden pH drops through controlled fermentation rates.
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 feed pellets provide high digestion efficiency, are stable, and reduce the risk of ruminal acidosis, with improved nutritional value and ease of handling, while being cost-effective and less dependent on imported roughage.
Implementation Method 1
pressing/compressing a kraft pulp having a moisture content of 15 to 35% by mass to pelletize it
Data Source
AI summary
The present invention aims to provide feedstuffs for ruminants with high nutritional value and high digestion efficiency.According to the present invention, feed pellets for ruminants containing a kraft pulp derived from a lignocellulosic material are provided, wherein the kraft pulp has a Canadian standard freeness of less than 400 ml.