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Effect of diet formulation using apparent faecal and ileal amino acid digestibility of heated fish meals on pig performance

Published online by Cambridge University Press:  21 November 2017

S. Jagger ,
J. Wiseman  and
D.J.A. Cole
S. Jagger*
Affiliation:
Department of Agriculture and Horticulture, University of Nottingham School of Agriculture, Sutton Bonington, Loughborough, Leics. LE12 5RD
J. Wiseman
Affiliation:
Department of Agriculture and Horticulture, University of Nottingham School of Agriculture, Sutton Bonington, Loughborough, Leics. LE12 5RD
D.J.A. Cole
Affiliation:
Department of Agriculture and Horticulture, University of Nottingham School of Agriculture, Sutton Bonington, Loughborough, Leics. LE12 5RD
*
*Current address: S.C. Associates (Feedingstuffs) Ltd., Melmerby Industrial Estate, Melmerby, Ripon, North Yorkshire HG4 5AP.
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Extract

In general apparent ileal digestibility values of amino acids are lower than apparent faecal digestibility values (Just, 1980) and since nitrogen entering the large intestine may not be utilised by the pig (Zebrowska, 1973) apparent ileal digestibility values should offer a better estimation of the nutritive value of dietary protein. However, for this to be confirmed it must be demonstrated that such values when used in diet formulation are more accurate predictors of pig performance. Therefore, a trial was conducted to examine whether the detrimental effect of heat treated fish meal on pig performance could be reduced by formulating diets based upon either apparent faecal or ileal amino acid digestibility values.

Type
Recent developments in Pig Production
Information
Proceedings of the British Society of Animal Production (1972) , Volume 1987 , March 1987 , pp. 92
Copyright
Copyright © The British Society of Animal Production 1997

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References

Just, A. (1980) Ileal digestibility of protein: applied aspects. In: Current concepts of digestion and absorption in pigs. Eds Lowe, G. & Partridge, I., Shinfield, Reading.Google Scholar
Zebrowska, T. (1973) Digestion and absorption of nitrogenous compounds in the large intestine of pigs. Roczn. Nauk. Roln. Ser. B. 95, 85–89.Google Scholar