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Cypermethrin pour-on for the control of ticks (Ixodes ricinus) on sheep
  1. D Henderson and
  2. DP Stevens
  1. Robert Young & Co Ltd., Brampton, Cumbria.


Trials were carried out on 11 farms to assess the effectiveness of 2.5 per cent w/v cypermethrin pour-on for the control of ticks on sheep. Treatment at the rate of 5 ml/10 kg bodyweight gave 92 per cent control of ticks on ewes for up to nine weeks and 88 per cent control on lambs for up to eight weeks.

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