Sexually active bucks are able to stimulate three successive groups of females per day with a 4-hour period of contact

► Exposure of anovulatory goats to males can induce their ovulatory activity. ► Bucks must be sexually active to induce ovulation in most anovulatory goats. ► The capacity of males to stimulate various groups of females was investigated. ► Males are able to fertilize 3 successive groups of females with a 4-h daily contact.