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Steering nitrogen emission from poultry production through precision nutrition
Jae Cheol Kim1, Behnam Saremi2, Wölfgang Siegert3
1CJ Bio, CJ Cheiljedang Corp, Seoul, South Korea.
Poultry Science
|April 30, 2026
Summary
Precision nutrition in poultry optimizes growth and reduces environmental impact. By focusing on standardized ileal digestible (SID) amino acids and energy, the industry can improve efficiency and manage nitrogen emissions.
Area of Science:
- Animal Science
- Poultry Nutrition
- Environmental Science
Background:
- Poultry production relies on precise energy and amino acid supplementation for optimal protein deposition.
- Current industry practices often use crude protein (CP) as a primary nutritional constraint, leading to inefficiencies.
- Over-reliance on CP results in excess indigestible protein and absorbed amino acids, causing metabolic, health, welfare, and environmental issues.
Purpose of the Study:
- To explore strategies for managing nitrogen emissions in poultry production.
- To maintain optimal growth performance through advanced nutritional approaches.
- To investigate the application of precision nitrogen (N) nutrition in the poultry industry.
Main Methods:
- Review of current poultry nutrition standards and industry practices.
- Analysis of the impact of crude protein (CP) versus precision amino acid formulation.
- Exploration of advancements in precision nitrogen (N) nutrition management.
Main Results:
- Slow industry adoption of documented SID amino acid and energy requirements.
- High CP formulations lead to increased indigestible protein and excess amino acid absorption.
- Precision N nutrition offers a pathway to manage emissions while supporting growth.
Conclusions:
- Shifting from crude protein (CP) to precision nutrition is crucial for efficient poultry production.
- Optimizing standardized ileal digestible (SID) amino acid and energy ratios enhances growth and reduces environmental impact.
- Implementing precision nitrogen (N) nutrition strategies can mitigate metabolic, health, welfare, and environmental challenges.
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