I took my first deer with a re-curve bow that was #40 when I was 14. It’s all about shot placement with a bow, far more important than with a rifle imho. Poundage is nice, but practice, practice, practice is the key to a humane bow hunt.
I don’t know about one that is take-down, but an old wood Bear like the one I still have is light as a feather, and not all that long either.
Doesn’t a longer bow give you more power, say 4 ft compared to 5 ft?