Cow herding can be beneficial to the wildlife in parts of Africa. In areas where there is low quality grass, cows are able to graze down on it providing high quality grass for the other wildlife like the hartebeest and grant. Previous grazing also stimulates growth which is beneficial for elephants and waterbuck.
Cattle for Conservation? How cattle grazing affects the behavior of wild grazers on shared rangelands in East Africa- J Schieltz
Rapid Research #22