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Study on phosphorus metabolism in growing sheep fed different sources of calcium by using the isotope dilution technique

Published online by Cambridge University Press:  20 November 2017

R. S. Dias ,
A. P. Roque ,
V. F. Nascimento ,
L. A. Castilho ,
M. R. S. R. Peçanha  and
D. M. S. S. Vitti
R. S. Dias
Affiliation:
Animal Nutrition Laboratory, Center for Nuclear Energy in Agriculture, PO Box 96, CEP 13400-970, SP, Brazil
A. P. Roque*
Affiliation:
Animal Nutrition Laboratory, Center for Nuclear Energy in Agriculture, PO Box 96, CEP 13400-970, SP, Brazil
V. F. Nascimento
Affiliation:
Animal Nutrition Laboratory, Center for Nuclear Energy in Agriculture, PO Box 96, CEP 13400-970, SP, Brazil
L. A. Castilho
Affiliation:
Animal Nutrition Laboratory, Center for Nuclear Energy in Agriculture, PO Box 96, CEP 13400-970, SP, Brazil
M. R. S. R. Peçanha
Affiliation:
Animal Nutrition Laboratory, Center for Nuclear Energy in Agriculture, PO Box 96, CEP 13400-970, SP, Brazil
D. M. S. S. Vitti
Affiliation:
Animal Nutrition Laboratory, Center for Nuclear Energy in Agriculture, PO Box 96, CEP 13400-970, SP, Brazil
*
Email: [email protected]
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Extract

The close association of calcium and phosphorus in bone, and the narrow relationship between these minerals makes this subject always an important aim of study for researches on animal nutrition (Braithwaite, 1984). The utilization of alternative sources of calcium has been studied in Brazil in the last years however there is a lack of information about the effects of these sources on phosphorus metabolism. The aim of this study was to evaluate phosphorus metabolism in sheep fed four different sources of calcium through determination of true absorption and endogenous faecal loss of phosphorus by using the isotope dilution technique (Vitti et al., 2000).

Type
Sheep Nutrition
Information
Proceedings of the British Society of Animal Science , Volume 2003 , 2003 , pp. 194
Copyright
Copyright © The British Society of Animal Science 2003

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References

Braithwaite, G. D. 1984. Some observations on phosphorus homeostasis and requirements of sheep. Journal of Agricultural Science 102: 295–306.Google Scholar
SAS, 1991. Applications Guide 1, 1a ed., NC: SAS Institute Inc.Google Scholar
Vitti, D. M. S. S., Kebreab, E., Lopes, J. B., Abdalla, A. L., Carvalho, F. F. R., , Resende, K. T., Compton, L. A., France, J. 2000. A kinetic model of phosphorus metabolism in growing goats. Journal of Animal Science 78: 2706–2712.Google Scholar