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Ticks

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Introduction

Argas persicus is an external parasite of poultry and wild birds, and is also found on mammals. It is more common in warm climates, spends little time on host, and may also transmit spirochaetosis and Pasteurella infection. These parasites are more likely to be a problem of small scale poultry production in the tropics, than in commercial poultry in temperate climates.

Signs

  • Anaemia.
  • Skin blemishes.
  • Occasionally paralysis from toxins in the tick saliva.
  • Emaciation.
  • Weakness.
  • Reduced productivity.

Post-mortem lesions

  • Anaemia.

Diagnosis

Identification of the presence of the parasites.

Treatment

Elimination of cracks and crevices in the poultry housing. Insecticide sprays in these areas are more likely to be effective than treatment of the birds.

Prevention

As for red mite control.