Is it unusual to see no signs of developing in a female thats been getting consistant locks since November?

I see my pastel boy, and my big normal girl getting all freaky-deaky every time I pair them (3 days on. 4 off) and have yet to see any developing behavior in the girl. I've started to palpate 1-2 times a month and I'm not feeling follicles. That could easily be my own inexperience, I just find it strange that everyone seems to be getting ovys and I've yet to even feel follicles