Improving the use of fibre in pig feed

Much is being said about fibres in swine diets these days, but let us take a step back. What exactly are dietary fibres, why do diets have different levels of fibre content and how to step up fibre utilisation? Much controversy exists regarding the physiological effects of fibre on swine production because the term ‘fibre’ is not always clearly defined. Chemically, crude fibre analysis accounts for small amounts of hemicellulose, some amounts of cellulose, and most of the lignin present in