Abstract
Muscle tissue to examine was taken from 31 Black-and-White bull-calves of West Siberia, aged 18 months. The concentration of 11 trace elements in the samples of the muscle tissue was determined with the method of atomic emission spectrometry with inductively associated plasma. The concentration of heavy metals (mg/kg) in the muscle tissue was equal to: Pb - 0.070; Cd - 0.015; As - 0.305; Sr - 0.255; Rb - 1.458; Cu - 1.571; Fe - 50.884; Zn - 52.99; Hg - 0.007; Ni - 0.069. Different correlations were revealed between the concentration of Cd in muscles and the level of Cu and Cr in hair (r = -0.349 and r = 0.374, respectively); Cu in muscles and Cd in hair (r = -0.377), Zn in muscles and Zn, Cd in hair (r = -0.558 and r = -0.470, respectively); Pb in muscles and Si in hair (r = -0.415); Hg in muscles and Cu, Cd in hair (r = 0.449 and r = 0.386). Correlations were revealed between the level of Cd in muscles and the concentration of Ba, Zn and P in blood serum (r = 0.574, r = -0.469 and r = -0.493 respectively); between Pb in muscles and Fe in serum blood (r = 0.535).
Highlights
Chemical elements play one of the major parts in the organism, they are involved in a great many biochemical reactions controlling homeostasis
Muscle tissue to examine was taken from 31 Black-andWhite bull-calves of West Siberia, aged 18 months
The highest Zn and Fe content was in muscle tissue
Summary
Chemical elements play one of the major parts in the organism, they are involved in a great many biochemical reactions controlling homeostasis. Changes in their concentration in certain organs can be of diagnostic character when detecting pathological processes. The study of the content of essential microelements (Zn, Cu, Fe, etc.) in organs and tissues of animals is of great importance. Iron (Fe) is an oxygen carrier and its role is great in releasing energy, fermentative reactions, immunity and cholesterol metabolism. Copper is a part of many vitamins, hormones, respiratory pigments, myelin sheaths of nerves. It is proved that accumulation of chemical elements is characteristic of organs and tissues [6]. It is necessary to know the population level of their content in the organism taking into account natural and climatic conditions, species, breed and the period of ontogenesis
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