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Use of nanoscale metals in poultry diet as a mineral feed additive

Animal Nutrition 2020年第2期6卷 185-191页

作者： Еlena Sizova sergey Miroshnikov Svyatoslav Lebedev Boris Usha sergey shabunin Federal Research Centre of Biological Systems and Agrotechnologies of the Russian Academy of Sciences Orenburg460000Russia Orenburg State University Orenburg460018Russia Moscow State University of Food Production Moscow125080Russia Federal State Budget Scientific Institute(All-Russian Veterinary Research Institute of Pathology Pharmacology and Therapy)Voronezh394087Russia

The research was aimed at studying the efficiency of a nanoscale alloy of copper(Cu) and zinc(Zn) to be used as a mineral additive for feeding broiler chickens,compared to inorganic and organic forms of these *** studies of the blood serum were performed using an automated *** mineral composition was determined by atomic emission and mass spectrometry(MS-ISP),The study was performed on broiler chickens of cross Smena 7(n=72) in the conditions of a *** were3 treatment groups with 24 chickens in *** the inorganic form of mineral supplements with the nanosized alloy resulted in a positive productive effect,with a tendency to increasing the content of serum *** nano scale form of metals improved(P <0.05) the activity of *** the same time,the liver micro structure of experimental groups is similar to that of the *** was a moderate plethora and poor polymorphoncellular infiltration around the interlobular triads with a clear morphological orga nization of the stromal and parenchymal co mponents of the ***,the lack of oxidative stress was confirmed by the dynamics of catalase(CT),total superoxide dismutase(TSOD) and malondialdehyde(MDA) levels,and the concentrations of which did not exceed the reference level Replacing Cu and Zn sulfates with the nanoscale alloy(group 1) and organic form(group 2) of these elements in the diet of broiler chickens was accompanied by the increasing pool of these elements in the organisms at the end of the *** was accumulated throughout the experiment in experimental group 1,compared to the reference,with the maximum difference in the liver of 36.5%(P ≤ 0.05),in the feathers 2.5 times(P ≤ 0.01).Assessment of the Zn level dynamics in the feathers revealed a well noticeable tendency to reducing its concentrations during the experiment in all *** the background of feeding a nanoscale alloy,Zn concentration in the liver exceeded th

关键词： Broiler chicken Feeding Mineral supplement Nanoscale metal

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