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A phosphorus metabolism model for sheep fed various levels of calcium

  • D. M. S. S. Vitti (a1), E. Kebreab* (a2), J. B. Lopes (a3), A. L. Abdalla (a1), L. M. Salviano (a4), L. A. Crompton (a2) and J. France (a2)...

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In tropical countries, especially in Brazil, ruminants commonly are fed forage diets which are adequate in calcium but deficient in phosphorus, giving an inadequate Ca: P ratio. Thus, it is important to understand the effects of Ca level on phosphorus homeostasis control and to obtain more information on phosphorus utilization. The objective of this study is to provide information which may be useful to improve the understanding of the P homeostasis control in sheep fed various Ca levels, and to obtain more information on dietary Ca level effect on P utilization.

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Challa, J.; Braithwaite, G. D. 1989. Phosphorus and calcium metabolism in growing calves with special emphasis on phosphorus homeostasis. 4. Studies on milk-fed calves given different amounts of dietary phosphorus but a constant intake of calcium. Journal of Agricultural Science 113: 285289.
SAS, 1991. Applications Guide 1, 1a ed., NC: SAS Institute Inc.

A phosphorus metabolism model for sheep fed various levels of calcium

  • D. M. S. S. Vitti (a1), E. Kebreab* (a2), J. B. Lopes (a3), A. L. Abdalla (a1), L. M. Salviano (a4), L. A. Crompton (a2) and J. France (a2)...

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