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Enhancing Broiler Growth: Mannanase Boosts Performance with Reduced Soy and Energy
- Researchers studied the impact of mannanase enzyme on broiler diets to enhance performance and reduce soy and energy usage.
- Mannanase aids in improving feed conversion ratios, gut health, and microbial environment in broiler chickens receiving varying levels of soybean meal.
- The enzyme helps overcome challenges posed by anti-nutritional factors in soybean meal by enhancing nutrient absorption and reducing intestinal viscosity.
- The study examined the interaction of mannanase with different soybean meal concentrations under an energy deficit, showing positive effects on growth performance and nutrient digestibility.
- Results demonstrated that mannanase supplementation led to improved body weight, feed conversion ratio, and energy metabolism indicators, particularly in diets with higher soybean meal content.
- Chickens supplemented with mannanase exhibited enhanced protein utilization, reduced nitrogen excretion, and favorable nutrient digestibility metrics.
- The enzyme also positively impacted intestinal health by reducing chyme viscosity, increasing villus height, and improving gene expression related to gut barrier integrity.
- Mannanase's anti-inflammatory properties were evident in altering gene expression of inflammatory markers in the ileum, reducing pro-inflammatory cytokines and enhancing anti-inflammatory profiles.
- Microbial analysis revealed a significant impact of mannanase on gut microbiota composition, reducing pathogenic genera and potentially optimizing nutrient utilization.
- While mannanase showed promising results, its efficacy was reduced at lower soybean meal levels, emphasizing the importance of considering substrate availability for optimal performance.
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