This module places the previous knowledge gained by the student, into the context of the management of young horses, examining the role of the veterinarian at the development stage of the animal’s life cycle. The emphasis will be on promoting wellness and safeguarding young horse welfare, with a focus on effective communications with owners and informed preventative health strategies. This module describes the physiological changes required in the transition made from life in utero to ex utero. Students will enhance their understanding of the changes in physiological demands of the horse, through critical phases of their developmental process and the problems associated with interruption to normal patterns. This will enable an understanding of developmental aliments and diseases, their likely cause, treatment, prognosis and prevention in the developing equine.