Estrus behavior and ovulation of beef heifers induced with prostaglandin F(2alpha)

animal animal domestique animal pour cuirs et peaux animales animales de carne animals artiodactyla artiodactyle beef cattle behaviour bovidae bovide bovin bovin de boucherie bovine bovines cattle ciclo estral comportamiento comportamiento sexual comportement comportement sexuel cycle oestral domestic animals fisiologia fonction physiologique ganado ganado bovino ganado de carne heifers hormonas hormone hormones livestock mammals meat animals novilla oestrous cycle organic compounds ovulation physiological functions physiologie physiology prostaglandinas prostaglandine prostaglandins reproduction rumiante ruminant ruminants sexual behaviour vertebrados vertebrates vertebre