.This tendency in recent studies will likely facilitate the use of FTAI in the routine of commercial farms due to reduction of costs and labour with hormonal protocols. Information about the possibility of using a single FTAI combined with induced ovulation in spontaneous oestrus is lacking for gilts. This study aimed to evaluate
the effect of different doses and routes of pLH administration at the onset of oestrus, combined with a single FTAI, on the interval between onset of oestrus and ovulation (IOEO) and reproductive performance of
gilts.