The aims of the current study are to build an equation to predict gestational age (GA) and to compare ultrasound parameters indicative of delivery in healthy English Bulldog bitches subjected to elective cesarean section. Sixteen pregnant female dogs were included in the study. Inner chorionic cavity (ICCDD) and biparietal (BPD) diameters were measured at 30 and 50 days after artificial insemination, respective...