G. Dineva*, K. Peychev, D. Georgiev Department of Agricultural Engineering, Faculty of Agriculture, Trakia University, 6000 Stara Zagora, Bulgaria (Manuscript received 4 June 2021; accepted for publication 26 July 2021) Abstract. Milking machines equipped with new and used milking lin

G. Dineva* Department of Agricultural Engineering, Faculty of Agriculture, Trakia University, 6000 Stara Zagora, Bulgaria (Manuscript received 20 May 2021; accepted for publication 12 July 2021) Abstract. A comparative study of the pulsation phases in classic milking units was perform