I don't know the answer, however goats, sheep and camels have been used in dairy farming.
Yeah its kinda odd if you really think about it. and other species that commercially make milk are goats, sheep and camels.
Do you know anything about dairy farming? What I know about dairy farming is that is a type of agriculture that involves the long-term production of milk. That sounds interesting! I always wondered how butter was made and why humans drink another animals milk!
Other species used in commercial dairy farming include goats, sheep, and camels.