Rhino horns grow back after being cut off, so advocates of lifting the trade ban say rhinos could be raised on private farms where their horns would be taken off periodically after tranquilization, as NPR has reported . Conservationists say ending the ban would lift the stigma of the trade and ultimately raise demand...."
http://www.npr.org/sections/thetwo-way/2016/05/23/479204360/rhino-horn-trade-okd-by-south-african-court-lifting-domestic-ban?utm_medium=RSS&utm_campaign=world
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