Thats alot of questions Mikey,..Both sexes "can" be bred at 18 months but its NOT the norm or recommended by most..They would have to hammered with feed in order to do so..Males can be used at 18 months with some luck, females should wait another year or two..Males should be 7 lbs plus and females should EXCEED 10 lbs..Fall or the onset of temperture drops is what generally prompts breeding but it has taken place all times of the year..
It does NOT matter who go's into who's cage IMO..How long are they capable of producing is a tough question and don't think you'll find anyone to answer that one..One copulation "can" produce a fertile clutch and there by you could breed quite a few females, BUT most keepers limit it to 2-3 females..2-3 days on and few days off is the way many/most do it..But theres no set way or rules of..![]()