From: An evaluation of gonadotropin-releasing hormone analogue administered to gilts and sows on subsequent reproductive performance and piglet birth weight
Sow category
Peforelin dose (75 μg/ml)
Administration timepoint
Gilts
2.0 ml
48 h after last altrenogest administration
1st parity sows
0.5 ml
24 h post weaning
≥2nd parity sows