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Multi-enzyme supplementation enhances performance, intestinal and skeletal development in broilers fed low-nutrient
Yuanli Cai1, Mingchen Zhang2, Okasha Hamada3
1College of Life Science, Qilu Normal University, Jinan, Shandong 250200, China.
Poultry Science
|December 14, 2025
Summary
Multi-enzyme supplementation improved broiler growth performance and digestive function. Enzymes counteracted negative effects of a low-nutrient diet on skeletal development and nutrient absorption.
Area of Science:
- Animal Science
- Poultry Nutrition
- Digestive Physiology
Background:
- Poultry production faces challenges with nutrient-dense diets.
- Zeolite dilution can reduce nutrient levels in broiler feed.
- Enzyme supplementation may mitigate nutrient deficiencies.
Purpose of the Study:
- To evaluate multi-enzyme effects on broilers fed a low-nutrient diet.
- To assess impacts on growth, digestion, and bone development.
- To determine if enzymes can counteract nutrient dilution effects.
Main Methods:
- 384 Arbor Acres broilers used in a 2x2 factorial design.
- Diets included basal or low-nutrient (zeolite-diluted) formulations.
- Enzyme supplementation was tested against control groups.
Main Results:
- Enzymes significantly improved body weight, feed intake, and feed efficiency.
- Low-nutrient diet altered intestinal morphology; enzymes normalized it.
- Enzyme addition enhanced duodenal amylase activity and improved tibial development.
Conclusions:
- Multi-enzyme supplementation effectively mitigates adverse effects of nutrient reduction.
- Enzymes enhance broiler growth, digestive function, and skeletal integrity.
- This strategy supports sustainable poultry production with reduced nutrient density.
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