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 nutritional inefficiencies.

Innovation Solution

Development of poultry diets containing engineered phytase polypeptides that hydrolyze phytate, eliminating the need for inorganic phosphate supplements and enhancing nutrient availability, with specific formulations for starter, grower, and finisher diets.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If inorganic phosphate supplements are added to poultry diets, then phosphorous availability for growth is improved, but feed costs increase and environmental pollution worsens

Engineering Contradiction:
Improvephosphorous availabilityVSAvoidfeed cost
Core Design Contradiction:
ReliabilityVSQuantity of substance

Solution Approach 1:

The patent introduces phytase enzyme as an intermediary substance that catalyzes the hydrolysis of phytate into inorganic phosphate and inositol. This mediator enables the conversion of unavailable organic phosphorus (phytate) into available inorganic phosphate form, allowing poultry to access phosphorus from plant-based ingredients without requiring external inorganic phosphate supplements, thereby reducing both feed cost and environmental pollution while maintaining adequate phosphorous availability for growth

Inventive Principle:
Principle #24Intermediary (Mediator)

2Reliability

If inorganic phosphate supplements are added to poultry diets, then phosphorous availability for growth is improved, but environmental pollution increases

Engineering Contradiction:
Improvephosphorous availabilityVSAvoidphosphorous pollution
Core Design Contradiction:
ReliabilityVSObject-generated harmful factors

Solution Approach 1:

The phytase enzyme acts as a mediator that converts bound phosphorus in phytate into bioavailable inorganic phosphate within the animal's digestive system. This internal conversion eliminates the need to add external inorganic phosphate to the diet, thereby preventing the excess phosphorus excretion that causes environmental pollution while still ensuring adequate phosphorous availability for proper growth and development

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The patent enables the feed system to self-generate available phosphorous through the action of phytase enzyme on endogenous phytate substrates. The phytate naturally present in plant ingredients serves as the substrate, and the phytase enzyme (whether added to feed or produced by gut microflora) converts it into usable inorganic phosphate, creating a self-sufficient phosphorus cycling system that eliminates dependency on external inorganic phosphate inputs and prevents pollution

Inventive Principle:
Principle #25Self-service

3Reliability

If phytase is used to hydrolyze phytate, then inorganic phosphate availability is improved, but the need for inorganic phosphate supplements is eliminated

Engineering Contradiction:
Improvephosphate availabilityVSAvoidinorganic phosphate content
Core Design Contradiction:
ReliabilityVSQuantity of substance

Solution Approach 1:

The phytase enzyme serves as a catalytic intermediary that transforms the chemical form of phosphorus from bound phytate to free inorganic phosphate. This biochemical conversion occurs within the digestive tract, releasing inorganic phosphate from phytate molecules without requiring any external inorganic phosphate supplements. The enzyme mediates the liberation of phosphorus that was previously locked in unavailable organic form, achieving high phosphate availability while maintaining zero or minimal inorganic phosphate supplementation

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The patent applies parameter change by modifying the chemical state of phosphorus through enzymatic hydrolysis. The phytase enzyme catalyzes the breakdown of phytate (inositol hexaphosphate) into inorganic phosphate and inositol, changing the chemical parameters from bound organic phosphorus to free inorganic phosphorus. This parameter transformation increases phosphorous availability and bioavailability without requiring addition of external inorganic phosphate, as the conversion occurs in situ within the animal's digestive system

Inventive Principle:
Principle #35Parameter changes

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 phytase-supplemented diets support normal growth and bone health in poultry, reducing feed costs and environmental pollution by eliminating the need for inorganic phosphate, while improving feed efficiency and nutrient digestibility.

Implementation Method 1

Through the action of exogenous phytase, phytate is generally hydrolysed to give lower inositol-phosphates and inorganic phosphate

Methodology Applied
Scientific EffectHydrolysis: Hydrolysis

Data Source

PatentUS12588691B2Diet formulations
Publication Date: 2026.03.31 INT N&H DENMARK APS
  • US12588691B2 patent drawing

AI summary

Provided herein are poultry diets containing phytase polypeptides or fragments thereof wherein the diet contains no or substantially no inorganic phosphate.