AKHTAR MS, SI, AYAZ MM, LODHI LA, AMEEN M, ULLAH S, LASHARI MH, FAROOQ AA, AKHTAR M. Effect of Bull Exposure on the Post-partum Reproductive Efficiency in Cholistani Cows. Kafkas Univ Vet Fak Derg,  21 (1):  37-40,  2015. DOI: 10.9775/kvfd.2014.11573