Is aggression the only reason zebras weren't domesticated?

A half-dozen genes must be selected in order to domesticate an animal. In animals that have been successfully domesticated, those genes lie on one or two chromosomes. In zebras, those genes are scattered across several chromosomes. It has proven impossible to select simultaneously the proper alleles because they occur on too many chromosomes. read more

In the 1980s a herd of zebras was captured for relocation in Zimbabwe. Sixteen animals were loaded into a truck and driven off. When the truck arrived at its destination only one zebra was left alive. The others had kicked each other to death. read more

Yes, zebras can be domesticated and trained, but it is not necessarily practical or humane to do so. When I was a child, my father used to take me to visit the Brereton family who farmed in a place called Tengwe in Zimbabwe (then Rhodesia). read more