WORLD CONGRESS ON APPLIED NANOTECHNOLOGY, Erzurum, Türkiye, 24 - 26 Kasım 2021, ss.183-186
Nano-science is the study of the properties of nanomaterials, their production, and their use in improving the properties and properties of materials. Because many properties of matter in nanometer dimensions are different from properties in macroscopic dimensions, with the help of nanotechnology, can be made changes in atoms by controlling the properties. Nanotechnology as a new and powerful tool can play an essential role in increasing the efficiency of livestock activities. The application of food and drug delivery systems to the target tissue, the creation of new tools for the study of biology and molecular and the reduction of waste from the production process in agricultural systems, and thus the efficiency of the production process are among the applications of nanotechnology in various fields of life sciences. Like any other new phenomenon, efficient nanotechnology requires accurate knowledge of its various aspects and consideration of potential risks. To date, most research has been done on trace element nanoparticles, the most important of which are chromium and selenium nanoparticles. The metabolic function of selenium in preventing oxidative damage to body tissues is a well-known process. Selenium deficiency is evident in pastures and forage feeds, and therefore the use of selenium supplementation by ruminants seems necessary.
Many studies have shown that a new source of selenium, called nano-selenium, is more effective than selenite (the mineral form of selenium), seleno- ethionine, and methyl seleno-cysteine (the organic structure of selenium) in mice and rats and also shows less toxicity. The addition of nano-selenium supplements to sheep feed increased the concentration of volatile fatty acids in the rumen. It led to an increase in the fermentation of propionate (relative to acetate). Urinary excretion of purine derivatives and digestibility increased fourfold. The best dose of nano selenium in this experiment is estimated to be about 3 kg / g of dietary dry matter. In this article, we try to study nanotechnology applications in animal husbandry and the function of nano-selenium in animal nutrition as a subset of agricultural activities and animal sciences.