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Quantitative aspects of calcium absorption and excretion in growing horses

Published online by Cambridge University Press:  23 November 2017

D.M.S.S. Vitti*
Affiliation:
Centro de Energia Nuclear Na Agricultura, Piracicaba, Sao Paulo, Brazil
I.C.S. Bueno
Affiliation:
Centro de Energia Nuclear Na Agricultura, Piracicaba, Sao Paulo, Brazil
J.B. Lopes
Affiliation:
Universidade Federal Do Piaui, Teresina, Piaui, Brazil
C.E. Furtado
Affiliation:
Universidade Estadual de Maringá, Maringá, Paraná, Brazil
J.B.S. Quadros
Affiliation:
Universidade Estadual de Maringá, Maringá, Paraná, Brazil
E.F. Nozella
Affiliation:
Centro de Energia Nuclear Na Agricultura, Piracicaba, Sao Paulo, Brazil
P.B. Godoy
Affiliation:
Centro de Energia Nuclear Na Agricultura, Piracicaba, Sao Paulo, Brazil
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Extract

Ca bioavailability has been of considerable interest. NRC (1989) expressed Ca requirement as total Ca but assumed an absorptive efficiency of 0.50. To improve the understanding of calcium absorption and excretion in horses, the present study analysed the quantitative calcium metabolism in animals fed different levels of calcium.

Type
Poster Presentations
Copyright
Copyright © The British Society of Animal Science 2007

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References

Bravo, D.; Sauvant, D.; Bogaert, C. and Meschy, F. 2003. II. Quantitative aspects of phosphorus absorption in ruminants. Reprod. Nutr. Dev. 43: 271–284.Google ScholarPubMed
Hintz, H.F. 1990. Factors affecting nutrient availability in the horse. In: Georgia Nutrition Conference for the Feed Industry, 1990, Atlanta. Proceedings… Atlanta, 181–193.Google Scholar
National Research Council -NRC. Requirements of domestic animals. Nutrient requirements of horses. 5.ed. Washington, National Academy of Sciences, 1989.100p.Google Scholar
Van Doorn, D.A.; van der Spek, M.E.; Everts, H.; Wouterse, H.; Beynen, A.C. 2004. The influence of calcium intake on phosphorus digestibility in mature ponies. J. Anim. Physiol. Anim. Nutrit. 11: 412–418.Google Scholar
SAS, 2000. SAS Institute. The SAS system for windows. Release 8.01. Cary, 2000.Google Scholar
Schryver, H.F.; Graig, P.H.; Hints, H.F. 1970. Calcium metabolism in ponies fed varying levels of calcium. J. Nutrit. 100: 955–964.Google Scholar

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