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Arquivo Brasileiro de Medicina Veterinária e Zootecnia

Print version ISSN 0102-0935On-line version ISSN 1678-4162


VITTI, D.M.S.S. et al. Phosphorus flow from different phosphate sources in cattle. Arq. Bras. Med. Vet. Zootec. [online]. 2001, vol.53, n.2, pp.1-7. ISSN 0102-0935.

The experiment was designed to evaluate the phosphorus (P) flow from different phosphate sources, in cattle. The mathematical evaluation of P changes between the physiologic or anatomical compartments, was based on model with digestive tract, blood and bones plus soft tissue. It was concluded that P from dicalcium phosphate in cattle was better absorbed than P from Patos de Minas and Tapira phosphates. Dicalcium, Patos de Minas and Tapira phosphates did not interfere with P accretion in bone and soft tissues, and the bi-directional P flow from digestive tract for the central pool in cattle increased with P absorption.

Keywords : Cattle; metabolism; phosphate; radiophosphorus; model.

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