Reproduction Abstracts

Introduction: Neonatal and fetal mortality is increased in male fetuses. Evidence is emerging of sex specific differences in fetal and placental perfusion1. This study investigates effects of dietary intervention at specific time points upon blood flow and fetal growth trajectory in cattle.Materials and methods: Primiparous heifers were either individually- (Australia, Au; n=360) or group-fed (UK; n=188) diets containing diff...