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Effects Of Permethrin At A Prophylactic Dose For Ectoparasite Infection On Cholinesterase Activity In Dogs, Piyarat Chansiripornchai, Niwat Chansiripornchai

The Thai Journal of Veterinary Medicine

Effects of permethrin at a prophylactic dose for ectoparasite infection on cholinesterase (ChE) activity was evaluated. Eight healthy dogs were exposed to a spot-on formulation of permethrin on day 0. The results of serum ChE activity in all of the dogs which was measured at 24 h after exposure to permethrin significantly decreased when compared to those before exposure. However, the serum ChE activity in all the dogs which was measured at 36 and 96 h after exposure to permethrin showed no significant difference as compared to those before exposure. There were no clinical signs in all dogs throughout the …