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Comparison between titanium dioxide as an inert marker and total collection in the determination of digestibility of components in diets fed to pigs

Published online by Cambridge University Press:  20 November 2017

J.E. Thompson  and
J. Wiseman
J.E. Thompson
Affiliation:
University of Nottingham, School of Biological Sciences, Division of Agriculture and Horticulture, Sutton Bonington Campus, Loughborough, Leicestershire LE12 5RD, United Kingdom
J. Wiseman
Affiliation:
University of Nottingham, School of Biological Sciences, Division of Agriculture and Horticulture, Sutton Bonington Campus, Loughborough, Leicestershire LE12 5RD, United Kingdom
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Extract

Nutritional studies with pigs have most commonly used chromic oxide as an inert marker, (Low, 1982) although there are various problems associated with its use. Continued experimentation to validate the use of other substances as inert markers has led to titanium dioxide becoming more popular. In an evaluation of markers using a single dietary treatment, (Jagger et al. 1992) it was concluded that titanium dioxide at a rate of 1g/kg feed was the most suitable marker of those tested. More recent work using ten dietary treatments, (Thompson and Wiseman, 1998) found titanium dioxide to be a valid inert marker in the determination of energy digestibility of diets which varied in content of fat and fibre. The objective of the current experiment was to evaluate titanium dioxide as a marker in the determination of digestibility of components in diets based on a range of raw materials.

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Proceedings of the British Society of Animal Science , Volume 1999 , 1999 , pp. 171
Copyright
Copyright © The British Society of Animal Science 1999

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References

Agricultural Research Council. 1981. The Nutrient Requirements Of Pigs.Google Scholar
Jagger, S., Wiseman, J., Cole, D.J.A. and Craigon, J. 1992. Evaluation of inert markers for the determination of ileal and faecal apparent digestibility values in pigs. British Journal of Nutrition 68: 729–739 Google Scholar
Low, A.G. 1982. Digestibility and availability of amino acids from feedstuffs for pigs: a review. Livestock Production Science 9: 511–520 Google Scholar
Thompson, J.E. and Wiseman, J. 1998. Comparison between titanium dioxide as an inert marker and total collection in the determination of digestible energy of diets fed to pigs. Proceedings of the British Society of Animal Science. Abst, pp157.Google Scholar