Phytase Poultry Diet Formulation Without Inorganic Phosphate
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Solution Overview
Problem
Existing poultry diets rely heavily on inorganic phosphate supplements, which are costly and contribute to environmental pollution, while monogastric animals struggle to metabolize phytate, leading to phosphorous pollution and anti-nutritional effects.
Innovation Solution
Development of poultry diets containing engineered phytase polypeptides that break down phytate, eliminating the need for inorganic phosphate supplements and enhancing nutrient absorption, thereby promoting normal growth and reducing environmental impact.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If inorganic phosphate supplements are added to poultry diets, then phosphorous availability for growth is improved, but cost increases and environmental pollution worsens
Solution Approach 1:
The patent extracts and eliminates inorganic phosphate supplements from poultry diets by using engineered phytase polypeptides that can fully mobilize phosphorous from phytate, thereby removing the need for external phosphate sources and eliminating associated pollution
Solution Approach 2:
The patent changes the phosphorous availability parameter through engineered phytase polypeptides with enhanced enzymatic activity, allowing complete hydrolysis of phytate and achieving sufficient phosphorous release without inorganic phosphate supplements
2Quantity of substance
If inorganic phosphate supplements are added to poultry diets, then phosphorous availability for growth is improved, but diet cost increases
Solution Approach 1:
The patent removes the need for expensive inorganic phosphate supplements by using engineered phytase polypeptides that efficiently release phosphorous from naturally occurring phytate in feed ingredients, thereby reducing diet formulation costs
Solution Approach 2:
The patent employs cost-effective engineered phytase polypeptides as a replacement for expensive inorganic phosphate supplements, achieving phosphorous mobilization through a more economical enzymatic approach
3Ease of manufacture
If phytate is used as phosphorous source, then diet formulation is simplified, but monogastric animals cannot efficiently metabolize it leading to pollution
Solution Approach 1:
The patent introduces engineered phytase polypeptides as an intermediary enzyme that bridges phytate and absorbable phosphorous, enabling monogastric animals to efficiently metabolize phytate-based phosphorous sources without environmental pollution
Solution Approach 2:
The patent enhances the metabolic parameter of phytate utilization by employing engineered phytase polypeptides with optimized enzymatic activity, transforming phytate from an anti-nutritional factor into an efficient phosphorous source
4Quantity of substance
If phytate is present in diet, then phosphorous storage is achieved, but anti-nutritional effects occur through chelation and insoluble complex formation
Solution Approach 1:
The patent extracts phosphorous from phytate binding through engineered phytase polypeptides, releasing free phosphorous and eliminating anti-nutritional effects while preserving phosphorous availability
Solution Approach 2:
The patent converts the anti-nutritional properties of phytate into beneficial effects by using engineered phytase polypeptides to hydrolyze phytate, transforming it from a phosphorous trap into an efficient phosphorous release system
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 use of engineered phytase polypeptides in poultry diets achieves normal growth characteristics across all phases without inorganic phosphate, offering economic benefits and significant environmental improvements by minimizing phosphate pollution.
Implementation Method 1
Through the action of exogenous phytase, phytate is generally hydrolysed to give lower inositol-phosphates and inorganic phosphate
Data Source
Figure 1A~1B
AI summary
Provided herein are poultry diets containing phytase polypeptides or fragments thereof wherein the diet contains no or substantially no inorganic phosphate.