EOI Estrus to ovulation interval Follicle-stimulating hormone FSH FTAI Fixed Time Artificial Insemination GnRH Gonadotropin-releasing hormone hCG Human chorionic gonadotropin i.m. Intramuscular LH Luteinizing hormone NPD Non-productive day(s) Oxytocin OT RTU Real-time ultrasonography RLX Relaxin P4 Progesterone TG Triptorelin gel TRT1 OvuGel treatment group TRT2 P.G. 600 + OvuGel treatment group Control + P.G. 600 treatment group TRT3 TRT4 Control treatment group Prostaglandin F2-alpha PGF2α pLH Porcine luteinizing hormone WBI Wean-to-breed interval Wean-to-estrus interval WEI WOI Wean to ovulation interval
EOI Estrus to ovulation interval FSH Follicle-stimulating hormone FTAI Fixed Time Artificial Insemination GnRH Gonadotropin-releasing hormone hCG Human chorionic gonadotropin i.m. Intramuscular LH Luteinizing hormone NPD Non-productive day(s) OT Oxytocin RTU Real-time ultrasonography RLX Relaxin P4 Progesterone TG Triptorelin gel TRT1 OvuGel treatment group TRT2 P.G. 600 + OvuGel treatment group TRT3 Control + P.G. 600 treatment group TRT4 Control treatment group PGF2α Prostaglandin F2-alpha pLH Porcine luteinizing hormone WBI Wean-to-breed interval WEI Wean-to-estrus interval WOI Wean to ovulation interval