The male to female ratio should be at least 1:2. Watch them and make sure the female is not stressed. Some males are not interested in mating, so she would be fine then. If she is stressed, you will probably have to separate them.
-----
TurtsandTorts Discussion Group
2 Russians (Harley and Marley)
2 RES (Sunny and Fatty)
2 Gerbils (Sydney and Vienna)
1 Cat (Abby)