1.What size/age do they need to be for first time breeding trials?

>>>>>>>>>>3 years...I like almost 5 foot too

2. How does their size compare to a large Okeetee corn?

>>>>>obsoletus usually get 6 foot...good corns get almost 5 foot....usually 4...

3. Do Texas or yellow rats grow larger (on average.)

>>>>YES (6 foot ...5 to 7 even...)

4. I've never seen a really large everglades...are they smaller than other obsoletus subspecies? How large is the average male everglades?

>>>>>>>>I have had 6 foot and seen almost a 7 footer....

>>>largets wild caught PA black rat I personally have seen and caught....6 foot 6 inches....and tame....
-----
........JY