Multicarbohydrase Enzymes for Non-ruminants

Area of Science:

• Animal Nutrition
• Enzymology
• Gastrointestinal Physiology

Background:

• Non-ruminant animals have limited ability to digest dietary fiber.
• Non-starch polysaccharides (NSP) in plant cell walls pose digestibility challenges.
• Fibre-degrading enzymes offer a potential solution to improve nutrient utilization.

Purpose of the Study:

• To review the mechanisms of action for fibre-degrading enzymes in non-ruminants.
• To discuss the role of these enzymes in overcoming nutrient encapsulation and viscosity issues.
• To explore the indirect benefits of enzyme activity, including prebiotic production.

Main Methods:

• Literature review of scientific publications on fibre-degrading enzymes.
• Analysis of established and emerging mechanisms of enzyme action.
• Discussion of non-starch polysaccharide degrading enzyme (NSPase) preparations.

Main Results:

• Enzymes eliminate nutrient encapsulation by degrading the cell wall.
• Enzymes reduce digesta viscosity caused by specific NSPs like arabinoxylans and β-glucans.
• Enzymes can generate prebiotic oligosaccharides, promoting beneficial gut fermentation.

Conclusions:

• Enzyme mechanisms involve direct breakdown of fiber structures and indirect modulation of gut environment.
• Current comparisons of multi- vs. single-component enzyme products are often flawed.
• Standardized methods and terminology are needed for evaluating enzyme preparations.