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On how montmorillonite as an ingredient in animal feed functions
Applied Clay Science ( IF 5.3 ) Pub Date : 2021-01-18 , DOI: 10.1016/j.clay.2020.105963
Jia Hui Liu , Wen Kai Cai , Nafeesa Khatoon , Wei Hua Yu , Chun Hui Zhou

Mycotoxins, bacteria, heavy metals and other toxic contaminants in feed have adverse effects on the health of animal. The decontamination of feed to reduce the content of harmful substances before feeding is inevitably needed. Clay minerals are a promising effective feed additive due to their cost-effectiveness and nearly without side effects. Montmorillonite (Mt) has high adsorption for mycotoxins, bacteria, heavy metals in animal feed and body. This review made a comprehensive and critical review of how Mt as an ingredient in animal feed functions. It covers the recent understanding of removing mycotoxins, bacteria and heavy metals onto Mt and the relevant influences of Mt on animal intestinal health, growth performance and product quality. Mt as feed additive can remove mycotoxins and bacteria in feed and gastrointestinal tract of the animal by surface adsorption, electrostatic adsorption and intermolecular force. In addition, Mt can adsorb heavy metals effectively in feed by the exchangeability of interlayer cations and by the swellability due to cation hydration. Modification of Mt by metal ions, metal oxides, and organic cations can improve the adsorption efficiency of mycotoxins, bacteria, heavy metals in vitro and in vivo. Mt and its modified products as feed additive can remarkably enhance the intestinal health and growth performance of livestock, aquatic and poultry. Utilization of Mt as feed additive can effectively improve the quality of milk, egg and meat.



中文翻译:

关于蒙脱石作为动物饲料成分的功能

饲料中的霉菌毒素,细菌,重金属和其他有毒污染物会对动物的健康产生不利影响。不可避免地需要在饲料前对饲料进行去污以减少有害物质的含量。粘土矿物质具有成本效益并且几乎没有副作用,因此是一种很有前途的有效饲料添加剂。蒙脱石(Mt)对动物饲料和人体中的霉菌毒素,细菌,重金属具有很高的吸附力。这项综述对Mt作为动物饲料成分的功能进行了全面而严格的评价。它涵盖了最近对将真菌毒素,细菌和重金属去除到Mt上的理解,以及Mt对动物肠道健康,生长性能和产品质量的相关影响。Mt作为饲料添加剂可以通过表面吸附,静电吸附和分子间作用力去除动物饲料和胃肠道中的霉菌毒素和细菌。此外,Mt可以通过层间阳离子的交换性和由于阳离子水合引起的溶胀性,有效地吸附饲料中的重金属。金属离子,金属氧化物和有机阳离子对Mt的修饰可以提高真菌毒素,细菌,重金属的吸附效率体外体内。Mt及其改性产品作为饲料添加剂可以显着增强畜牧,水产和家禽的肠道健康和生长性能。利用山作为饲料添加剂可以有效提高牛奶,鸡蛋和肉的质量。

更新日期:2021-01-19
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