Abstract: This study was carried on 100 cases of different types of dystocia in sheep raised in 09 different provinces of Eastern Algeria during 3 years (2012-2015). Out of 136 lambs obtained following dystocia, 52.20% died during birth and 47.79% survived. Factors significantly influenced the viability of these lambs were type of dystocia (fetal disproportion p = 0.001) and type of intervention (manual correction: p = 0.0001, caesarean: p = 0.02, referral to the slaughter p = 0.0001 and foetotomy p = 0.001). The objective of this study was to determine the main factors that influence the viability of lambs in Eastern Algeria.