1. Industry Background

      In modern poultry production, maintaining gut health, stable immunity, and efficient feed utilization has become increasingly important. With the global reduction of antibiotic use in animal feeds, feed manufacturers and poultry producers are actively seeking natural functional ingredients that support performance without compromising safety.

Yeast extract has gained growing attention as a nutritional and functional feed ingredient for poultry, due to its rich bioactive composition and proven adaptability in commercial production systems.

2. Overview of the Application Case

      A medium-scale broiler farm with approximately 20,000 birds per production cycle was selected for observation. In previous batches, the farm experienced common challenges such as inconsistent growth performance, mild digestive disturbances during early stages, and fluctuations in feed intake under environmental stress.

      To improve production stability, yeast extract was incorporated into the feed formulation during the starter and grower phases, while keeping management practices and base nutrition unchanged.

3. Feeding Strategy and Evaluation Indicators

Yeast extract was added at a standard inclusion rate recommended by the feed supplier. During the production cycle, the following parameters were monitored:

• Feed intake and flock behavior

• Litter condition and digestive health indicators

• Growth uniformity and survival rate

• Feed conversion performance

4. Observed Results

4.1 Improved Gut Health Stability

      During the early growth phase, birds showed more consistent digestive performance. Litter quality improved, and the occurrence of loose droppings was reduced compared with previous cycles.

4.2 Better Stress Adaptation

      Under routine management stress and temperature fluctuations, birds maintained more stable feed intake and activity levels, indicating improved resilience to environmental challenges.

4.3 Enhanced Growth Uniformity

      Body weight distribution became more uniform in the later stages of production, reducing sorting pressure and improving overall management efficiency at harvest.

4.4 Optimization of Production Performance

      Compared with previous flocks, the farm reported moderate improvements in feed conversion ratio and survival rate, alongside reduced reliance on therapeutic interventions.

5. Functional Mechanism of Yeast Extract in Poultry Nutrition

Yeast extract contains a range of highly bioavailable compounds, including peptides, free amino acids, nucleotides, B-complex vitamins, and other functional metabolites. These components contribute to:

• Supporting beneficial intestinal microbiota

• Promoting intestinal tissue development and recovery

• Enhancing non-specific immune responses

• Improving nutrient digestibility and absorption

Rather than acting as a pharmaceutical solution, yeast extract supports poultry health through continuous nutritional regulation.

6. Relevance for Feed Manufacturers and Poultry Producers

      For feed companies, yeast extract offers formulation flexibility and compatibility with antibiotic-reduction strategies. For poultry producers, its application can contribute to more predictable production outcomes and improved flock stability.

      When used as part of a well-balanced feed program, yeast extract serves as a supportive tool for gut health management and performance optimization.

7. Conclusion

      Based on practical field observations, yeast extract demonstrates clear potential as a functional ingredient in poultry feeding. Its role in supporting gut health, stress tolerance, and production consistency makes it a valuable option for modern poultry nutrition programs aimed at sustainable and efficient production.