To protect Black Rhinos from poachers killing them for their horn, conservationalists use a strategy of de-horning. The theory is: if the Black Rhino has no horn, then poachers won’t kill it, and the rhino lives longer. Rhino horns are more valuable than diamonds or gold on the black market in Southeast Asia. Over the past decade in southern Africa, steps were taken to save the rhinos from being poached, maimed, and killed for their horns.
De-horning is painless for the rhino, taking about 20 minutes. Veterinarians sedate the rhino, blindfold it, and insert earplugs, then use a chain saw to cut off the top of its horn, but only the section that does not contain nerves. When poachers cut of a rhino’s horn, they do it quickly at night, and they often damage the nerves or kill it. Rhino horns grow back, and veterinarians usually de-horn a rhino once every 18 months.
Scientists wanted to know more about rhinos that had been de-horned. New research has found some interesting results.
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