scholarly journals Influence of the concentrations of essential and toxic elements in the blood serum on the indicators of sperm quality in Arabian purebred stallions

2022 ◽  
Vol 42 ◽  
pp. 01019
Author(s):  
V. V. Kalashnikov ◽  
A. M. Zaitsev ◽  
M. M. Atroschenko ◽  
O. A. Zavyalov ◽  
A. N. Frolov ◽  
...  

Analysis of trace elements in blood serum can be an important tool for monitoring micronutrient supply in stallions in order to maintain reproductive health. In this regard, the purpose of this study was to determine the relationship between the concentrations of macro- and microelements in the blood serum of stud stallions with the qualitative characteristics of fresh sperm and sperm after cryopreservation and thawing. The studies were carried out on purebred Arabian stallions (n=50). As a biomaterial for studies, we used blood serum, fresh and thawed sperm after cryopreservation. The elemental composition of seminal plasma was determined by 25 chemical elements Co, Cr, Cu, Fe, I, Mn, Se, Zn Ca, K, Mg, P, B, Li, Si, V Na, Ni, Sn, Hg, Sr, Al, As, Cd, Pb) by ICP-DRC-MS methods. It was found that the concentrations of Mg and Co in the blood serum positively correlate with the qualitative characteristics of the sperm of Arabian purebred stallions. Wherein, the optimal range of concentrations of Mg in the blood serum, typical for stallions with relatively high indicators of sperm quality, is 22.64 to 27.05 μg/g; Co – 0.001 to 0.0015 μg/g.

2021 ◽  
Vol 99 (Supplement_3) ◽  
pp. 247-248
Author(s):  
Stanislav Platonov ◽  
Oleg Zavyalov ◽  
Alexey Frolov ◽  
Anatoly Kharlamov ◽  
Marina Kurilkina

Abstract Many studies show that an excess or deficiency of chemical elements in an animal’s body can lead to a number of reproductive disorders. In this regard, the aim of this study was to assess the influence of concentrations of essential and toxic elements in semen on qualitative characteristics of semen of sire bulls. The studies were carried out on Holstein bulls at the age of 3–4 years (n = 65). Sperm concentration (billions) was estimated using a digital photometer (IMV Technologies). Sperm activity (score) was studied using a phase contrast microscope (Nikon ECLIPSE E400, Tokyo, Japan). The elemental composition of the semen was determined by 25 chemical elements (Al, As, B, Ca, Cd, Co, Cr, Cu, Fe, I, K, Li, Mg, Mn, Na, Ni, P, Pb, Se, Si, Sn, Hg, Sr, V, Zn) by ICP-AES and ICP-MS. Coefficients were calculated according to Spearman’s correlation. As a result of the research, it was found that sperm activity negatively correlated (r = -0.47; P ≤ 0.05) with the Pb content in semen and had a positive correlation with Zn concentrations (r = 0.55; P ≤ 0.05); Se (r = 0.64; P ≤ 0.05); P (r = 0.67; P ≤ 0.05). Sperm concentration was positively correlated with Cu levels (r = 0.55; P ≤ 0.05); P (r = 0.76; P ≤ 0.05); Se (r = 0.66; P ≤ 0.05). Thus, the results of the carried out studies indicate a high degree of relationship between the content of essential and toxic elements in semen and main qualitative characteristics of sperm. A deeper study of the role of chemical elements in reproductive function can be useful in overcoming the problem of low reproductive capacity of sires. The studies were carried out in accordance with the research plan for 2019–2021. FSBSI Federal Research Centre BST RAS (No. 0761-2019-0006)


Author(s):  
Mohamed Anouar Nouioui ◽  
Manel Araoud ◽  
Marie-Laure Milliand ◽  
Frédérique Bessueille-Barbier ◽  
Dorra Amira ◽  
...  

2021 ◽  
Author(s):  
Olga Marshinskaia ◽  
Tatiana Kazakova ◽  
Svetlana Notova ◽  
Maksim Molchanov

This study examined the elemental status of the hair and blood biochemistry of young men in the Orenburg region (n=38) with different glucose levels. Estimation of the element status was carried out through the study of the chemical composition of the hair by ICP-AES and ICP-MS. It was found that the studied serum parameters (Ca, Mg, Fe, P cholesterol, thyroxine, TSH and testosterone) were within normal values, and no statistically significant differences were obtained when comparing the groups. The concentration of chemical elements in the hair of the men in each group was in the range of physiologically acceptable values for this region. In the group with elevated glucose levels, there was a tendency for the men to have lower values of Ca and Mg, and higher levels of K, Na, P and a number of toxic elements (Al, Cd, Sn, Hg, Pb). Keywords: elemental status, trace elements, diabetes mellitus, metabolism


2021 ◽  
Vol 677 (5) ◽  
pp. 052084
Author(s):  
V V Kalashnikov ◽  
A M Zaitsev ◽  
M M Atroshchenko ◽  
S A Miroshnikov ◽  
O A Zavyalov ◽  
...  

Author(s):  
Katerina Bačeva Andonovska ◽  
Trajče Stafilov ◽  
Irina Karadjova

The purpose of this study was to establish total and bioavailable contents of chemical elements in attic dust and their distribution in the area of the town of Kavadarci, Republic of Macedonia, and in this way to evaluate the exposure of population to toxic metals in areas with high industrial influences from the ferro-nickel smelter plant. The attic dust is derived predominantly from external sources such as aerosol deposits and soil dusting, and less from household activities. From that reason attic dust could be accepted as a tracer of historical aerosol pollution. All attic dust samples were analyzed for total and bioavailable element contents and their distribution in studied area. Several extraction agents recognized as representative for elements bioa-vailability assessment were applied to attic dust samples under investigations – phosphate buffer solutions that simulate human blood, for the simulation of lung inhalation carbonate buffer was used and 0.1 mol l–1 HCl solution to simulate stomach ingestion. A total of 18 elements (Ag, Al, As, B, Ba, Ca, Cd, Co, Cr, Cu, Fe K, Mg, Mn, Ni, Pb, Sr and Zn) were determined by atomic emission spectrometry with inductively coupled plas-ma (AES-ICP). The obtained results showed relatively high proportion of toxic elements bioavailability in the attic dusts samples from sites close to the metallurgical activities (Cr, Cu, Mn, Ni, Pb and Zn), most probably due to the small size and high reactivity of the particles of attic dust. As might be expected the highest leacha-ble amounts of toxic elements were found for Ni, Co, Cr and Pb from attic dust in the extraction solution of HCl (0.1 mol l–1 HCl) compared with the other 3 extraction media. Discussion on trace elements mobility and bioavailability related to environmental pollution and effects on human health are presented.


2021 ◽  
Vol 36 ◽  
pp. 06030
Author(s):  
Valery Kalashnikov ◽  
Mikhail Atroshchenko ◽  
Alina Sinyakina ◽  
Natalya Frolova ◽  
Olga Shirokova

Studies were conducted to assess the elemental composition of the blood serum of 39 Arabian pure breed stud horses. The correlation between the content of toxic elements in the blood serum: aluminum (Al), arsenic (As), cadmium (Cd), lead (Pb), tin (Sn), mercury (Hg), essential trace elements: cobalt (Co), chromium (Cr), copper (Cu), iron (Fe), iodine (I), manganese (Mn), selenium (Se), zinc (Zn) and macronutrients: calcium (Ca), potassium (K), magnesium (Mg), phosphorus (P) was studied. A negative correlation was established between the content of mercury and iron in the blood serum of stud horses (r=-0.34; p=0.04). A negative correlation was also found between the levels of cadmium and calcium in the blood serum (r=-0.40; p=0.02). The establishment of these correlations suggests the presence of competitive relations between these elements in the body of horses. Positive correlations were established between the content of toxic elements in the blood serum: Al/As (r=0.38; p=0.02), Al/Pb (r=0.41; p=0.009), Al/Sn (r=0.56; p=0.002), As/Sn (r=0.46; p=0.0003), Pb/Sn (r=0.32; p=0.05).


2020 ◽  
Vol 99 (9) ◽  
pp. 918-924
Author(s):  
Rustem A. Daukaev ◽  
Tatyana K. Larionova ◽  
Ahat B. Bakirov ◽  
Evgeny G. Stepanov ◽  
Anna S. Fazlieva ◽  
...  

Introduction. Agricultural crops grown on garden plots are mainly used for personal consumption, are not subject to safety control, and therefore, the chemical composition of the produced crop products may significantly affect the accumulation or deficiency of chemical elements in the human body. Material and methods. To assess the chemical composition of the main products of plant origin produced in the regions of the Republic of Bashkortostan with different economic specialization, the content of 9 trace elements in carrots, table beets and potatoes was determined by atomic absorption spectrometry (n = 353). Using the total coefficient of anthropogenic load (Ka.n. = ∑Ci/PDUi), the territory of the Republic was ranked according to the degree of contamination of vegetable crops with toxic elements (lead, cadmium). The influence of trace elements contained in crop products on the health of the region’s population was studied using the risk assessment method. Results. Vegetables with a high content of cadmium (10.8% of the analyzed samples) occupy the largest share in the total volume of crop production that does not meet hygiene standards. When ranking the territory of the Republic on the basis of health risk assessment and the degree of contamination of vegetable crops with toxic elements, territories with a developed mining and petrochemical industry were found to be most unfavorable zones. Conclusion. The content of chemical elements in vegetable crops produced on household plots varies in a wide range, depending on the type of plant products and the place of growth. The lack of standards for the permissible content of certain trace elements in food raw materials and food products, which are priority pollutants in a number of regions, and safety control of products produced in private farms increase the risk of consumption of contaminated products by the population.


Author(s):  
Alla Savenko ◽  
Alla Savenko ◽  
Oleg Pokrovsky ◽  
Oleg Pokrovsky ◽  
Irina Streletskaya ◽  
...  

The distribution of dissolved chemical elements (major ions, nutrients, and trace elements) in the Yenisei River estuary and adjacent water area in 2009 and 2010 are presented. These results were compared to the data obtained during previous hydrochemical studies of this region. The transport of major cations (Na, K, Mg, Ca) and some trace elements (Rb, Cs, Sr, B, F, As, Mo, U) in the estuary follows conservative mixing. Alkalinity also belongs to conservative components, however this parameter exhibits substantial spatial heterogeneity caused by complex hydrological structure of the Yenisei Bay and adjoining part of the Kara Sea formed under the influence of several sources of desalination and salty waters inflow. Concentrations of Pmin, Si, and V in the desalinized waters of photic layer decrease seaward owing to uptake by phytoplankton. The losses of these elements reach 30–57, 30, and 9% of their supply by river runoff, respectively. The content of dissolved phosphates and vanadium in the intermediate and near-bottom layers of the Yenisei River estuary strongly increases with salinity due to regeneration of precipitated organic matter, whereas silica remineralization is much less pronounced. Barium is characterized by additional input of dissolved forms in the mixing zone in the quantity comparable to that carried out by river runoff. This may be caused by its desorption from river suspended matter due to ion exchange. The transport of dissolved Al and Mn in the estuarine zone is probably controlled by the coagulation and flocculation of organic and organomineral colloids, which is indicated by a decrease in the concentration of these elements at the beginning of the estuary (31 and 56%, respectively) followed by a stable concentration further seaward.


Sign in / Sign up

Export Citation Format

Share Document