Also on another note, just to give you an example, here are the minimum requirements in Namibia:
Large Game
Bow Kinetic Energy 65 ft/lbs
Arrow Weight 450 grain
(Greater Kudu, Cape Eland, Oryx / Gemsbok, Red Hartebeest, Blue Wildebeest, Black Wildebeest, Hartmann's Zebra, Burchell's Zebra...