Safonov, Vladimir
Article History
Received: 21 May 2021
Accepted: 7 July 2021
First Online: 24 July 2021
Declarations
:
: All animal handling conformed to the humane treatment requirements for laboratory animals set out in Directive 2010/63/EC. The study was conducted in accordance with the ethical principles approved by the Ethics Committee of Vernadsky Institute of Geochemistry and Analytical Chemistry (Protocol № 2 of 14.03.2020).
: Informed consent for publication of the data was obtained from the owners of the farms located in the Voronezh and Kirov region.
: This research has no conflict of interests.