Table 2.

Development of Early Secondary Preantral Follicles of Deer Mice Obtained by Mechanical and Enzymatic Methods Under In Vitro Culture in MD of Nonconditioned Medium

			No. (%) of oocyte at stage
Isolation method	On day 0, no. of preantral F/Oo	On day 13, no. (%) of antral F/Oo	GV	GVBD	MII
Enzymatic	101	0 (0)	0 (0)	0 (0)	0 (0)
Mechanical	188	15 (8.0)	12 (6.4)	6 (3.2)	5 (2.7)

MD, microliter drop; F/Oo, follicle or oocyte; GV, germinal vesicle; GVBD, GV breakdown; MII, metaphase II.