Even though there is no homosexual behavior( riding) like cows in horses, estrus detection in horses in easier than cows because of the longer duration of estrus.

• * 不像牛有同性恋（牛骑母牛）对于马而言没有，马的发情（情持续5-7天）断不容易，因为发情持续期比牛（情持续18-19小时）。