Institute of Animal Science and Fisheries, Siedlce University of Natural Sciences and Humanities, Bolesława Prusa 14, 08-110 Siedlce, Poland
Received: 15 Feb 2021
Accepted: 18 Jul 2021
Published online: 17 Sep 2021
Majszyk-Świątek, M., Kowal, W., Danielewicz, A., Andraszek, K., (2021). Serum concentration of folic acid in polish konik horses kept in a stable system and a free-roaming herd system. Acta Sci. Pol. Zootechnica, 20(2), in press.