B. Mitrović, S. Stefanović, D. Šefer, D. Jovanović, J. Ajtić
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引用次数: 1
摘要
摘要本研究旨在测定猪饲料、粪便和蚯蚓中Cr、Mn、Co、Ni、Fe、Zn、As、Cu、Se和Cd等10种元素的含量。2015年至2017年，在塞尔维亚的四个养猪场收集了样本，并通过电感耦合等离子体质谱法分析了其中的元素。根据平均浓度,元素显示以下趋势:铁>锰>锌>铬>镍>铜> Cd > Se > >有限公司在磷酸二氢钙,锌>锰>铁>铜>有限公司>铬>镍> Se > > Cd维他命矿物质预混料,铁>锌>锰>铜>镍> Cr > Se >有限公司> > Cd全价配合饲料,和铁>锌>锰>铜>镍> Cr >有限公司> Se > Cd >猪粪。结果表明，磷酸单钙和维生素矿物质预混料是全饲料混合料中锰、锌、铁的主要来源。一份磷酸单钙样品中镉浓度超过最大允许水平。只有六分之一的被调查的完全饲料混合物符合国家和欧盟法规。蚯蚓中Fe、Zn、Mn的存在反映了它们在猪粪中的浓度，而Cr、Cu、Se、As、Ni、Co、Cd则没有。
The content of ten elements in pig feed and manure and its relationship with element concentration in earthworms on swine farms
Abstract The aim of this investigation is to determine the content of ten elements, Cr, Mn, Co, Ni, Fe, Zn, As, Cu, Se, and Cd, in pig feed, manure and earthworms (Lumbricus terrestris). Samples were collected during 2015 and 2017, on four pig farms in Serbia, and analyzed for elements by inductively coupled plasma mass spectrometry. According to the mean concentrations, the elements show the following trends: Fe > Mn > Zn > Cr > Ni > Cu > Cd > Se > As > Co in monocalcium phosphate, Zn > Mn > Fe > Cu > Co > Cr > Ni > Se > As > Cd in vitamin-mineral premixes, Fe > Zn > Mn > Cu > Ni > Cr > Se > Co > As > Cd in complete feed, and Fe > Zn > Mn > Cu > Ni > Cr > Co > Se > Cd > As in pig manure. The obtained results show that monocalcium phosphate and vitamin-mineral premixes are the main source of Mn, Zn, and Fe in complete feed mixtures. The Cd concentration in one sample of monocalcium phosphate exceeds the maximum permissible level. Only one out of six investigated complete feed mixtures was in accordance with the national and EU regulations. The presence of Fe, Zn, and Mn in earthworms reflects their concentration in pig manure, but this is not noticed for Cr, Cu, Se, As, Ni, Co, and Cd.
期刊介绍：
Toxin Reviews provides an international forum for publishing state-of-the-art reviews and guest-edited single topic special issues covering the multidisciplinary research in the area of toxins derived from animals, plants and microorganisms. Our aim is to publish reviews that are of broad interest and importance to the toxinology as well as other life science communities. Toxin Reviews aims to encourage scientists to highlight the contribution of toxins as research tools in deciphering molecular and cellular mechanisms, and as prototypes of therapeutic agents. Reviews should emphasize the role of toxins in enhancing our fundamental understanding of life sciences, protein chemistry, structural biology, pharmacology, clinical toxinology and evolution. Prominence will be given to reviews that propose new ideas or approaches and further the knowledge of toxinology.
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