Dietary fibre and nitrogen excretion and retention by pigs

C. A. Morgan*, C. T. Whittemore

*Corresponding author for this work

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

Groups of 3 castrated male pigs (45-50 kg), housed in metabolism crates, were offered basal diets alone or with increasing levels of addition of straw, oatfeed or sugar-beet pulp. The excretion of nitrogen in the faeces, expressed as a proportion of nitrogen intake, tended to increase as the level of fibre addition increased, the effect being significant (P < 0.05) for the straw diets. Urinary nitrogen excretion, expressed in the same manner, tended to fall as more fibre was consumed, the effect being significant (P < 0.01) for the oatfeed and sugar-beet pulp diets. Increasing fibre in the ration resulted in a significant (P < 0.01) increase in dietary nitrogen retained for oatfeed diets and a similar trend with the other sources of fibre. However, the practical consequences of this effect are not clear.

Original languageEnglish
Pages (from-to)185-189
Number of pages5
JournalAnimal Feed Science and Technology
Volume19
Issue number1-2
DOIs
Publication statusPrint publication - Jan 1988

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