Fig. 3
From: Microencapsulated rrBNGF as an alternative ovulation induction method in rabbits

Progesterone (P4) concentrations in nulliparous rabbit does in the treatment groups GnRH, NGFch-30, NGFch-0, and C-e. A Mean P4 concentrations (ng/mL) in blood plasma; B females inseminated after GnRH i.m injection (GnRH), C, stimulated with an empty catheter (C-e), D inseminated 30 min after intravaginal NGF-chitosan administration (NGFch-30), and E inseminated simultaneously with NGF-chitosan (NGFch-0)