Hi I will be getting 8 new quail chicks in a couple of weeks at which point they will be 4 to 5 weeks old. I imagine the breeder will be feeding them on a chick starter crumble feed. I would like to eventually get them on to a pellet but do I wait till there 6 to 8 weeks old? Also if I do keep them on a chick crumble for another two weeks till there 6 weeks old how do I make the transition from the crumble to the quail pellet?