Pınar AYVAZOĞLU DEMİR, Erol AYDIN, Cemalettin AYVAZOĞLU. Estimation of the Economic Losses Related to Calf Mortalities Kars Province, in Turkey. Kafkas Univ Vet Fak Derg,  25 (3):  283-289,  2019. DOI: 10.9775/kvfd.2018.20471