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Ticks (view source)

Revision as of 21:17, 6 April 2010

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==Life cycle==

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[[Image:Ticks mating.jpg|thumb|right|150px|''Ixodes ricinus'' mating - Wikimedia Commons]]

*Ticks are temporary parasites so only spend a short period of their lives on the host species

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~~==Ticks of veterinary importance==~~

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<big>

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[[~~Image:~~Ticks ~~mating.jpg|thumb|right|150px|~~''~~Ixodes ricinus~~'~~' mating~~ - ~~Wikimedia Commons~~]]

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'''[[Hard Ticks - UK]]

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'''[[Hard Ticks - Overseas]]

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'''[[Soft Ticks - Overseas]]

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</big>

===Important UK hard ticks===

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~~''Ixodes ricinus''~~

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*3 host tick

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*Life cycle takes an average of 3 years to complete (range of 2-7 years)

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*Only feed for a few days each year at each life cycle stage

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*Most of their time is spent on the ground

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*Adult female lays several thousand eggs on the ground in matted vegetation

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**E.g. Rough pasture, hedgerows etc.

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~~''Ixodes canisuga''~~

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*Host specific dog tick

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*Problem in kennels

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~~''Ixodes hexagonus''~~

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*Known as the hedgehog tick

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*Affects hedgehogs, dogs, cats, ferrets and weasels

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*Common in small animal practice

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~~''Haemaphysalis spp.''~~

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*Affects cattle

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*Transmits ''Babesia major'', a relatively non-pathogenic protozoan parasite

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*Uncommon

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~~''Dermacentor spp.''~~

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*Affects sheep

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*Rare

Bara

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