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Performance of pigs post-weaning fed cereal-based diets with an enzyme complex added either before or after pelleting

Published online by Cambridge University Press:  20 November 2017

J. Wiseman  and
P.H. Simmins
J. Wiseman
Affiliation:
University of Nottingham, Sutton Bonington Campus, Loughborough, Leics LE12 5RD, U.K.
P.H. Simmins
Affiliation:
Finnfeeds International Ltd, P.O. Box 777, Marlborough, Wiltshire, SN9 1XN, U.K.
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Extract

The responses of pigs to diets supplemented with enzymes have been variable (review by Partridge, 2000). The situation has not been eased due to an uncertainty over the usefulness of laboratory analyses of enzyme activity as a measure of performance. One issue has been the temperature of feed pelleting in which laboratory assays for apparent enzyme activity have shown very low levels compared with the known level included in the feed, whereas experimental data have indicated typical poultry responses from the enzyme-supplemented feed (Bedford and Pack, 1998). The experiment reported here studied the performance of pigs fed diets to which enzymes were added either pre-or post- pelleting (which was conducted at 850 C).

Type
Threatre Presentations
Information
Proceedings of the British Society of Animal Science , Volume 2001 , 2001 , pp. 10
Copyright
Copyright © The British Society of Animal Science 2001

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References

Bedford, M.E. and Pack, M. 1998. Thermostability of enzyme in feed processing: re-thinking feed assays. Feed International. June 1998. Watt Publishing Co. pp 18–21.Google Scholar
Partridge, G.G. 2000. The role and efficacy of carbohydrase enzymes in pig nutrition. In: Enzymes in Farm Nutrition (eds Bedford, M.R. and Partridge, G.G.) CABI, Wallingford, UK (in press)Google Scholar
Silversides, F.G. and M.R., Bedford 1999. Effect of pelleting temperature on the recovery and efficacy of a xylanase enzyme in wheat-based diets. Poultry Science. 78: 1184–1190 CrossRefGoogle ScholarPubMed