author(s)
Chhavi Gupta, M Murugan, R Ramprabhu and A Serma Saravana Pandian

abstract
Retrospective study was performed on incidence, management of dystocia and postpartum reproductive performance in 598 numbers of Cross bred cows. The incidence of dystocia was decreased with increasing live body weight and parity of cows (P<0.05). On the other hand it increased with increasing in birth weight calves (P<0.05) and the percentage of dystocia with male calf was significantly higher than that of female calf. Incidence of dystocia was higher in semi intensive farming system when compared with extensive farming system. Foetal causes of dystocia were higher than maternal causes of dystocia i.e. 37.8% and 62.2% respectively. Dystocia due to foetal maldisposition (30.26%) followed by uterine torsion (17.39%) and foetal oversize (17.05%) was the most common causes. 62.5% of dystocia were managed with mutation and traction followed by caesarean section (24.24%). Dystocia had adverse effect on postpartum reproductive performance in cows i.e. evidence of 1^st estrus after obstetrical procedure was increased up to 44±28, 47±19 days and 61±23 days with mutation and traction followed by fetotomy and caesarean section respectively. The conception rate was significantly decreased and number of A.I. significantly increased in the animals managed with caesarean section followed by fetotomy and mutation methods.