Evaluation of cation-anion diets in calcium metabolism in ruminants

The objective of this study was to evaluate the use of the dietary cation-anion balance (DCAB) on the calcium metabolism in male Nellore steers with a mean age of 10 months. Three experimental diets were tested: a cationic diet, a diet consisting of Tifton hay only, and an anionic diet with +15.2, +...

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Published in:Revista brasileira de zootecnia 2014-11, Vol.43 (11), p.601-606
Main Authors: Oliveira, Ana Alix Mendes de Almeida, Vitti, Dorinha Miriam Silber Schmidt, Oliveira, Simone Raymundo de, Costa, Patrícia Barcellos, Neres, Marcela Abbado, Hermes, Paula Regina, Cavilhão, Cristiani, Konieczniak, Paula
Format: Article
Language:English
Subjects:
AGRICULTURE, DAIRY & ANIMAL SCIENCE
cattle
feeds
isotopes
mineral metabolism
VETERINARY SCIENCES
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Summary:The objective of this study was to evaluate the use of the dietary cation-anion balance (DCAB) on the calcium metabolism in male Nellore steers with a mean age of 10 months. Three experimental diets were tested: a cationic diet, a diet consisting of Tifton hay only, and an anionic diet with +15.2, +23.9 and −10.0 mEq/100 g DM of DCAB values in the diet. The anionic diet was calculated as the addition of salts of ammonium chloride and magnesium sulfate. Based on the isotope dilution technique, the negative DCAB value used in this study (−10.0 mEq/100 g DM) does not affect calcium metabolism, especially endogenous losses and true absorption.
ISSN:1516-3598
1806-9290
1516-3598
DOI:10.1590/S1516-35982014001100006