What i can tell you now is, the zoos is freezing enough fresh leaves in summer, so they can feed leaves also in winter times...I know also, they are feed some friuts and vegetables, but mostly leaves.
Yeah, but the Zoo Stuttgart is freezing leaves every year for 8 okapis and 5 or 6 giraffes and a group of lesser kudu, and javan langurs....But they have a lot of keepers and it is a good job for the trainee keepers....
