Notoedres

From WikiVet English
Jump to navigation Jump to search



Also known as: feline scabies


  • Also common ectoparasite of tropical bats
  • Parasite of cats, rats, man and rabbits


Recognition

  • Similar to Sarcoptes
  • Less distinct angles on body surface
  • Females have suckers on legs 1 and 2
  • Females are about 225μm in length and males 150μm
  • Anal opening is distinctly dorsal (not posterior)


Pathogenesis

  • Infection begins on the ear tips and spreads over the body
  • Causes dermatitis
  • Burrowing of females damages keratinocytes leading to cytokine release
  • Hypersensitivity reaction may occur


Diagnosis

  • Superficial skin scraping
  • A single nest in a scraping may yield many mites