Relationship between estrous behavior and steroid hormones in dairy cattle

animal animal domestique animal pour cuirs et peaux animales animales de carne animals artiodactyla artiodactyle blood composition bovidae bovide bovin bovin laitier bovine bovines cattle ciclo estral composition composition du sang cycle oestral dairy cattle domestic animals fisiologia fonction physiologique ganado ganado bovino ganado de leche hormonas hormonas esteroides hormone hormones livestock mammals meat animals oestrous cycle organic compounds physiological functions physiologie physiology reproduction rumiante ruminant ruminants steroid hormones vertebrados vertebrates vertebre