Heifers and multiparous cows are affected by Dystocia and its implications on the viability of the pregnancy

Dystocia considers one of the most common obstetrical problems in cattle, especially heifers; current study achieved to demonstrate Dystocia's impact on viability fetus heifers and cows. The involved 15 multiparous cows aged 3-7 years 10 these animals suffered abnormality calving. showed higher significantly (P≤0.01) (60%) than (40%) also, rate difficult male birth was greater 7 (70%) female were 3 (30%) heifer animals. Heifer had with anterior presentation 5 (71.42%), posterior 2 (28.58%). One cow (20%) flexion elbow joint alive fetus, whilst dead significant difference towards at(P≤0.01). number that a problematic shoulder an 1 (33.34%). In contrast, (33.33%) transverse incomplete extension hind limbs fetuses at (P≤0.05). births 8 (53.34%), those (7) (46.66%). have joints, down deviation head back head, live (37.5%), (12.5%) respectively, differences among categories (P≤0.01). uterine inertia (14.28%), whereas fetus's 4 (57.14%) (3 fetus+1dead fetuses). With concluded is severe event cows; head-down are types Dystocia, more canal presentation, variable effects fetal viability. Keywords: Calving abnormality, Fetal viability, Dairy