oestrous การใช้

• Flanged males attract oestrous females with their characteristic long calls.
• During the mating season, the oestrous female may mate with several males.
• Unflanged males wander widely in search of oestrous females and upon finding one, will force copulation on her.
• They have lower reproductive output, delayed implantation, lactation anoestrus, winter anoestrus, longer oestrous and longer gestation cycle.
• Bulls engage in a behaviour known as mate-guarding, where they follow oestrous females and defend them from other males.
• The estrous cycle ( also spelled oestrous ) controls when a mare is sexually receptive toward a stallion, and helps to physically prepare the mare for conception.
• The apical surface of the uterine epithelial cells is covered with microvilli that are under hormonal control and vary in length and number with the oestrous cycle and during pregnancy.
• Dromedaries are follicle, which grows during oestrus, usually regresses within a few days . In one study, 35 complete oestrous cycles were observed in five nonpregnant females over 15 months.