Fig. 2From: Reproduction of group-housed sowsUsing a GnRH agonist model to study the effect of LH pulsatility on maintenance of pregnancy in gilts. In all gilts inseminated between days 0–21, pregnancy was interrupted, whereas after d 21, pregnancy was interrupted in a proportion of gilts only. The model shows importance of LH pulsatility for maintenance of pregnancy during the embryonic period. Data from [19]Back to article page