Cattle are considered one of the most important pillars of animal production in most countries of the
world. As it being a building block in their national security strategies;endeavoring them to increase this animal
population by all possible means. During the last three decades;it was clear thatin vitro maturation, fertilization
and culturing of bovine oocytes are the most important of these applications, which intended to improve this
animal productivity and reproductivity. For that, the goals of this review are to discussthe different aspects of
cattle oocyte maturation from the different angles.