Hostname: page-component-78c5997874-v9fdk Total loading time: 0 Render date: 2024-11-03T05:05:57.010Z Has data issue: false hasContentIssue false

The use of titanium dioxide for determining apparent digestibility in mature domestic fowls (Gallus domesticus)

Published online by Cambridge University Press:  27 March 2009

J. Peddie
Affiliation:
Agricultural Research Council's Poultry Research Centre, Roslin, Midlothian, EH25 9PS, Scotland
W. A. Dewar
Affiliation:
Agricultural Research Council's Poultry Research Centre, Roslin, Midlothian, EH25 9PS, Scotland
A. B. Gilbert
Affiliation:
Agricultural Research Council's Poultry Research Centre, Roslin, Midlothian, EH25 9PS, Scotland
D. Waddington
Affiliation:
Agricultural Research Council's Poultry Research Centre, Roslin, Midlothian, EH25 9PS, Scotland

Extract

The apparent digestibility of a diet can be calculated from the amounts of food eaten and excreta voided. This ‘total collection’ method is laborious because it requires a period lasting several days. It can be circumvented by the inclusion in the diet of a suitable reference substance (Kotb & Luckey, 1972). From the concentration of the reference substance (marker) in the diet and in the droppings, apparent dry-matter digestibility can be calculated.

Type
Short Note
Copyright
Copyright © Cambridge University Press 1982

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

REFERENCES

Anon (1964). Handbook of Chemistry and Physics, 45th edn.Ohio, U.S.A.: The Chemical Rubber Company, Cleveland.Google Scholar
Askew, H. O. (1931). Note on effect of feeding titanium oxide to sheep. New Zealand Journal of Science and Technolgy 13, 7677.Google Scholar
Bolton, W. & Blair, R. (1974). Poultry Nutrition. In Bulletin 174, Ministry of Agriculture, Fisheries and Food. London: H.M.S.O.Google Scholar
Dansky, L. M. & Hill, F. W. (1952). Application of the chromic oxide indicator method to balance studies with growing chickens. Journal of Nutrition 47, 449459.CrossRefGoogle ScholarPubMed
Dewar, W. A. (1969). A method for pelleting small amounts of purified diets. Journal of Agricultural Science, Cambridge 72, 325326.CrossRefGoogle Scholar
Fournier, P. (1950). De l'emploi de l'oxyde de titane pour l'étude quantitative de l'absorption intestinale. Comptes Rendus des Séances de I'Académie des Sciences 231, 13431345.Google Scholar
Kotb, A. R. & Luckey, T. D. (1972). Markers in nutrition. The Commonwealth Bureau of Nutrition. Nutrition Abstracts and Reviews 42, 813845.Google Scholar
Leone, J. L. (1973). Collaborative study of the quantitative determination of titanium dioxide in cheese. Journal of the Association of Official Analytical Chemists 56, 535537.Google ScholarPubMed
Lloyd, L. E., Rutherford, B. E. & Crampton, E. W. (1955). A comparison of titanic oxide and chromic oxide as index materials for determining apparent digestibility. Journal of Nutrition 56, 265271.CrossRefGoogle ScholarPubMed
Mueller, W. J. (1956). Feasibility of the chromic oxide and the lignin indicator methods for metabolism experiments with chickens. Journal of Nutrition 58, 2936.CrossRefGoogle ScholarPubMed
Njaa, L. R. (1961). Determination of protein digestibility with titanium dioxide as indicator substance. Acta Agriculturae Scandinavica 11, 227241.CrossRefGoogle Scholar
Olsson, N. & Kihlen, G. (1948). Edin's indicator method in digestibility experiments on poultry. Eighth World's Poultry Congress, Copenhagen 1, 225232.Google Scholar