Szudzik, Mateusz
Lipiński, Paweł
Jończy, Aneta
Mazgaj, Rafał
Pieszka, Marek
Kamyczek, Marian
Smuda, Ewa
Starzyński, Rafał R.
Funding for this research was provided by:
Narodowe Centrum Nauki (2017/25/B/NZ9/01707)
Krajowy Naukowy Osrodek Wiodacy (KNOW/IGHZ/RMK/PhD/2016/01)
Article History
Received: 15 August 2019
Accepted: 22 October 2019
First Online: 8 November 2019
Compliance with Ethical Standards
: The experimental procedures used in this study were in compliance with the EU guidelines for the care and handling of research animals (EU Directive 2010/63/EU for animal experiments). According to Polish legislation, tests on animals using feed additives and supplements (including iron supplements such as FeSO<sub>4</sub>, hemoglobin, dried erythrocytes, plasma, blood) are not considered research procedures and therefore do not interfere with animal welfare. Therefore, ethical permission is not required.
: The authors declare that they have no conflict of interest.