Phosphorus and Calcium Utilization and Requirements in Farm by Dorinha M S S Vitti, Ermias Kebreab

By Dorinha M S S Vitti, Ermias Kebreab

Mineral meals of farm animals is a space of vital significance because of its contribution to farm animal economics and overall healthiness. With a spotlight on macromineral usage in cattle, this publication brings jointly quantitative features of phosphorus and calcium metabolism in livestock in chapters written by way of major researchers around the globe. It covers isotope dilution method, phosphorus and calcium usage in ruminants (sheep, goats and livestock) and non-ruminants (swine, horses) and steered worth of phosphorus and calcium inclusion in feed. it really is a necessary source for researchers and scholars in animal sciences and food.

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Extra resources for Phosphorus and Calcium Utilization and Requirements in Farm Animals

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Journal of Animal Science 12, 366–371. , Tosi, H. L. (2003a) Phosphorus metabolism in horses. 1. Dietary evaluation of different phosphorus sources. Revista Brasileira de Zootecnia 32, 1339–1347. , Tosi, H. L. (2003b) Phosphorus metabolism in horses. 2. Effects of different dietary phosphorus levels. Revista Brasileira de Zootecnia 32, 1348–1353. B. A. (2004) Biological flow of phosphorus on metabolism of swine fed diets containing phytase. Revista Brasileira de Zootecnia 33, 2066–2075. K. and Valk, H.

France et al. 15b) Regarding the formula for F24, a typographical error appears in Vitti et al. (2000). 15a) above. 15 to compute the unknown flows. 5. Dias et al. (2006) The Dias model is the same as the Vitti model except for some minor amendments. The revised model is shown in Fig. 5. Like the original, it contains four P pools: (i) gut lumen; (ii) plasma; (iii) bone; and (iv) soft tissue. The flow F10 is now partitioned into P of phytate and non-phytate origins, and F01 and F21 are partitioned into P of dietary phytate, endogenous and dietary non-phytate origins (see Fig.

2000). , 1989). , 1989). 74). 73 at an excessive P intake level of 114 mg/kg LW/day. , 2007). These experiments were performed using the isotope dilution technique described in Chapter 2 and compared with the chemical balance technique. This technique allows the determination of the endogenous faecal losses of P, Ca and other minerals and the determination of the true absorption of the mineral. The knowledge of endogenous P is especially important in the study of P for ruminant nutrition, since this obligatory loss is used to determine mineral requirements.

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