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ECTO-PARASITES: TICK; LICE

CONTENT

  1. Ticks
  2. Classification of Ticks
  3. Life Cycle of Host Tick
  4. Effects/Economic Importance of Ticks
  5. Control of Ticks
  6. Lice
  7. Types of Lice
  8. Life Cycle of Lice
  9. Effects/Economic Importance of Lice
  10. Control of Lice

 

Ticks

Ticks affect livestock such as cattle, sheep, horses and dogs. They live all their lives attached to the hosts and suck blood except during the period of mounting and reproduction. Tick belongs to the order of Acarina and the class Aranchinda.

Ecto-parasites - Ticks

Classification of Ticks

A. Based on Mode of Development

1. One Host Tick

All stages of development takes place in one host animal eg blue tick

2. Two Host Tick

The lava develops into nymph on the first host. The nymph falls off and moults into adult which attaches to the secondary host eg red legged tick

3. Three Host Tick

These attach to different animals at each stage of development, drop off and moult into the next stage on the ground eg water tick

B.

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