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Effects of different calcium to phosphorus ratios on phosphorus absorption by sheep in Brazil

Published online by Cambridge University Press:  05 November 2021

L.M.C. Salviano  and
D.M.S.S. Vitti
L.M.C. Salviano
Affiliation:
CIANI/CENA - USP. Caixa Postal 96- CEP 13 400-970. Piracicaba, SP- Brazil
D.M.S.S. Vitti
Affiliation:
CIANI/CENA - USP. Caixa Postal 96- CEP 13 400-970. Piracicaba, SP- Brazil
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Extract

Phosphorus deficiencies in tropical pastures, as well as the effects of this mineral deficiencies in ruminant performance are well-known. There is still some controversy on the metabolism, as the influence of Ca:P ratio on P absorption, even though, TCORN (1991) has indicate to be unnecessary and even misleading to establish limits for Ca:P ratio, once that individual mineral requirements have been met. The aim of this experiment was to evaluate the influence of different Ca:P ratio, in diet, on P absorption in sheep commonly raised in Brazil.

Type
Minerals
Information
Proceedings of the British Society of Animal Science , Volume 1996 , March 1996 , pp. 244
Copyright
Copyright © The British Society of Animal Science 1996

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References

Lofgreen, G.P. 1960. The availability of the phosphorus in dicalcium phosphate, bone meal, soft phosphate and calcium phytates for mature wethers. Journal of Nutrition 70: 58–62.10.1093/jn/70.1.58CrossRefGoogle Scholar
TCORN, 1991. Technical Committee on response to Nutrients, Report N° 6: a reappraisal of the calcium and phosphorus requirements of sheep and cattle. Nutrition Abstracts and Reviews (Series B).Google Scholar