Test results from studies with free ranging elephants suggest a Capsicum-based aerosol solution has validity as an elephant repellent over both short (20-30m) and intermediate (20-30m) ranges, and that Capsicum is a short-term repellent. Preliminary results suggest that this chemical may act as a practical elephant deterrent which can be combined with aversive conditioning of problem elephants.
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Osborn et al. (1995) studied this question.
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