Induction of ovulation in Rana catesbeiana and Rana tigerina by GNRH agonist and the artificial fertilization of the ovulated eggs

Authors

• Jittipan Chavadej
• Udomsri Showpittapornchai
• Srirath Pakdeeronachit
• Prasert Sobhon
• Prapee Sretarugsa