Khomenko, M. O., Seba, M. V. and Bondarenko, V. V. (2022) “DYNAMICS OF BIOCHEMICAL AND HORMONAL CHANGES IN THE BLOOD OF PREGNANT AND NON-PREGNANT COWS AFTER THE APPLICATION OF BIOLOGICALLY ACTIVE SUBSTANCES”, Bulletin of Sumy National Agrarian University. The series: Livestock, (1), pp. 86-91. doi: 10.32845/bsnau.lvst.2022.1.13.