Elemental composition of the hair and milk of black-spotted cows and its relationship with intestinal microbiome reorganization

Vet World Vol.15 November-2022 Article-8

Research Article

Veterinary World, 15(11): 2565-2574

https://doi.org/10.14202/vetworld.2022.2565-2574

Elena Sizova¹, Elena Yausheva¹, Olga Marshinskaia¹, Tatiana Kazakova¹, Yuriy Khlopko², and Svyatoslav Lebedev¹

1. Federal Research Centre of Biological Systems and Agrotechnologies of the Russian Academy of Sciences, 460000 Orenburg, Russia.
2. Institute for Cellular and Intracellular Symbiosis of the Ural Branch of the Russian Academy of Sciences, 460000 Orenburg, Russia.

Background and Aim: The cattle breeding system is facing severe problems associated with the increased negative impact of various human activity areas on the environment and the bodies of farm animals. The use of heavy metals in different production areas leads to their accumulation in the environment due to the ingestion of animals and humans through animal products. This study aimed to assess the elemental composition of the hair and milk of black-spotted cows and to identify the relationship between the content of toxic and essential elements and the state of the intestinal microbiome.

Materials and Methods: The element status was estimated by studying the chemical composition of the biosubstrates using inductively coupled plasma-mass spectroscopy. Based on the analysis of hair, the elemental composition, and the use of the coefficient of toxic load, two groups of animals were formed: Group I, which included cows with a lower load factor, and Group II, which included cows with a higher load factor.

Results: An increase in the heavy metal concentrations in the hair and milk of animals in Group II was observed. The As, Fe, Pb, Al, Co, Ni, and V concentrations in the hair of cows from Group II increased relative to Group I by 19%, 29%, 24.5%, 32.3%, 35.6%, 21.5%, and 18.2%, respectively. There was a significant increase in the level of Fe by 11.5%, Cr by 8.25%, Mn by 17.6%, Pb by 46.1%, and Cd by 25% in Group II compared with Group I in the assessment of elemental milk composition. There were no apparent changes in the intestinal microbiome of Group II.

Conclusion: Some heavy metals were accumulated in the bodies and milk of animals. This shows a high probability of heavy metals causing harm to the health of animals and humans. Keywords: breeding, heavy metals, intestinal microbiome, probability.

Keywords: breeding, heavy metals, intestinal microbiome, probability.

How to cite this article: Sizova E, Yausheva E, Marshinskaia O, Kazakova T, Khlopko Y, and Lebedev S (2022) Elemental composition of the hair and milk of black-spotted cows and its relationship with intestinal microbiome reorganization, Veterinary World, 15(11): 2565–2574.

Received: 14-06-2022 Accepted: 30-09-2022 Published online: 14-11-2022

Corresponding author: Tatiana Kazakova E-mail: vaisvais13@mail.ru

DOI: 10.14202/vetworld.2022.2565-2574

Copyright: Sizova, et al. This article is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http:// creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.