The author grants the University of Life Sciences in Lublin, represented by the Publishing House of the University of Life Sciences in Lublin, non-exclusive license to publish the work in print and in electronic form, in all fields of use, and open access (including the regulations of the Creative Commons license).

The license is granted without any time or territorial limits. The license also includes the right to grant further licenses.

Granting the license does not take away the property rights from the author.

Articles published from 2021 are available under Creative Commons Attribution 4.0 International licence (CC BY 4.0, the full text of the license is available at https://creativecommons.org/licenses/by/4.0/legalcode). Anyone may copy, distribute, or use these articles for any purpose, as long as the author and original source are properly cited.

Article published before 2021 are available under Creative Commons Attribution – Non-commercial use – No derivative works  4.0 International licence (CC BY-NC-ND 4.0, the full text of the license is available at  https://creativecommons.org/licenses/by-nc-nd/4.0/deed.en).

Submission of the paper implies that it has not been published previously, that it is not under consideration for publication elsewhere. Authors sign a statement of the originality of the work and the contribution of individuals.