期刊
POULTRY SCIENCE
卷 90, 期 2, 页码 352-357出版社
OXFORD UNIV PRESS
DOI: 10.3382/ps.2010-00834
关键词
aflatoxin B-1; monensin; competitive adsorption; detoxification; broiler chicken
资金
- Secretaria de Ciencia y Tecnica (SECyT)
- Universidad Nacional de Rio Cuarto
- Consejo Nacional de Investigaciones Cientificas y Tecnicas (CONICET, Argentina)
- CONICET
Clay feed additives have been increasingly incorporated into animal diets to prevent aflatoxicosis. Due to the nonselective nature of the binding interaction, many important components of the diets could also be made unavailable because of these feed additives. The anticoccidial monensin (MON) could also be sequestered by these clays. The use of sodium bentonite (Na-B) from a mine in the province of Mendoza, Argentina, was investigated as a sequestering agent to prevent the effects of 100 mu g/kg of dietary aflatoxin B-1 (AFB(1)). In vitro studies demonstrated that the above Na-B was a good candidate to prevent aflatoxicosis. They also showed that MON competes with AFB(1) for the adsorption sites on the clay surface and effectively displaces the toxin when it is in low concentration. Even though the levels of MON in diets, approximately 55 mg/kg,
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