Bìol. Tvarin, 2018, volume 20, issue 2, pp. 58–64


S. M. Medvid, A. V. Hunchak, O. M. Stefanyshyn, A. G. Pashchenko
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Institute of Animal Biology NAAS,
38 V. Stusa str., Lviv 79034, Ukraine

In order to use the fullest genetic potential of new poultry breeds and crossbreeds of, modern technologies of industrial poultry farming foresee comprehensive and balanced feed with all nutrients and biologically active substances. Significant attention is paid to mineral elements, as their deficiency or excess in diet may have a negative impact on growth and development of young birds, their fertility and reproductive functions, may cause illnesses and decrease quality of poultry. Yet, the level of microelement fixation and accumulation depends not only on the physiological condition of a bird and the amount of elements but also on the chemical formula. Organic compounds of bioelements obtained with the help of explosive erosion method with the use of nanotechnologies deserve recognition as supplement to the diet. Microelements in their nanocitrate form have high biological effects, better fixation levels and are actively used in metabolism processes.

In the experiments on the the ROSS-308 crossbreed broiler chickens the effectiveness of the application of different amounts of complex of biogenic elements (Fe, Co, Mn, Cu, Zn) in the form of nanoaquacitrates was investigated. The poultry of the control group received a mineral premix containing the mentioned above bioelements in the form of inorganic salts of sulfuric acid. For the chickens of the five experimental groups, the nanoaquacitrates complex was delivered in quantities according to the element: 100, 75, 50, 25 and 10 % of their content in the standard premix, respectively.

It has been established that feeding a complex of biogenic elements (Fe, Co, Mn, Cu, Zn) in the form of nanoaquacitrates instead of inorganic salts as part of mineral premix resulted in dosage-dependent impact on protein metabolism in tissues of broiler chicken. It has been shown that the optimal dosage of bioelements in their organic nanoform was: Mn — 25,0; Zn — 15,0; Fe — 2,5; Cu — 0,63; Co — 0,25 g/ton of feed. At the same time, changes in organism attest to stimulating effect on protein synthesis function of the liver and broiler chicken productivity (body weight and average daily weight gain).


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