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Thoughts on fiber utilization in swine.

Journal of Animal Science

|August 1, 1987

Summary

Distillery by-products offer a promising alternative feed resource for swine production. Further research is needed to quantify the physiological effects of dietary fiber and explore biotechnology applications for improved swine nutrition.

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Area of Science:

Animal Science
Nutritional Science
Biotechnology

Background:

Increasing ethanol production from corn and cereal grains expands the availability of distillery by-products.
Alternative feed resources are crucial for sustainable swine production.
Fibrous feeds present potential energy sources for swine, but their utilization is complex.

Purpose of the Study:

To explore the potential of distillery by-products and other fibrous feeds in swine nutrition.
To investigate the physiological effects of dietary fiber on swine digestion and nutrient utilization.
To assess the role of biotechnology in enhancing the use of fibrous feed components for swine.

Main Methods:

Review of existing literature on fibrous feed utilization in swine.
Analysis of factors influencing the digestibility and energy value of alternative feeds.
Discussion of potential applications of recombinant DNA technology for enzyme production.

Main Results:

The energy value of fibrous feeds for swine depends on cell wall content, microbial fermentation, and volatile fatty acid absorption.
Quantification of physiological effects of dietary fiber on swine digestion is necessary.
Genetic differences in pigs' response to and utilization of dietary fiber exist.

Conclusions:

Biotechnology, such as cloning cellulase genes, may offer future applications in swine feeding.
Economic incentives and biological limitations will determine the extent of biotechnology adoption in swine production.
Further research is essential to fully understand and optimize the use of alternative feed resources in swine diets.

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