Suprun, I.A. 2022. THE REPRODUCTIVE ABILITY OF STUD TROTTING MARES OF DIFFERENT CLASSES OF SPEED. Bulletin of Sumy National Agrarian University. The series: Livestock. 4 (47) (Jan. 2022), 43-48. DOI:https://doi.org/10.32845/bsnau.lvst.2021.4.7.