DefinePK

Abstract

Modern animal farming is currently becoming important in the socio-economic development of the Astrakhan region. Physiological characterizes of farm animals especially economic-cattle breeds or population is highly-important for using in breeding program. Concentration of microelements is one of first key point in this identification. Our work presents data from biogeochemical studies of pasture ecosystems (dominant plants of ranges) in the Astrakhan region and its effect on microelement reserves in body (meat, muscles and other tissue). The studies were carried out in 2021 on Simmental cattle. Trace elements in the selected samples of the pasture ecosystem, as well as in the organs and tissues of Simmental cattle were determined by the atomic absorption method. A low rate of trace elements was found in the soil, plants and feed of the ecosystem of the Astrakhan region. In conclusion, the greatest amount in the soil and plants contains manganese and zinc, in the least - selenium. In pasture-samples, the highest content of microelements was found in astragalus (Astragalus mongholicus) as a sample. In addition, a low level of trace elements was found in the organs and tissues of Simmental cattle