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== Nematodes of Goats ==

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=~~== Species ===~~

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|pagetitle = Nematodes of Goats

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*Goats are particularly susceptible to the ''[[Ostertagia]], [[Haemonchus]]'' and ''[[Nematodirus]]'' species found in sheep

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<categorytree mode=pages>Goat Nematodes</categorytree>

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~~=== Epidemiology ===~~

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*Goats mount a weaker immune response to gastrointestinal worms, c.f. sheep, although at the same time appear more tolerant of similar sized worm burdens

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*More species contribute to the periparturient rise in worm egg output (Mainly ''Ostertagia'' in sheep; ''Ostertagia'' and ''Trichostrongylus'' in goats)

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*Susceptible to ''Nematodirus battus'' (often accompanied by coccidia) and ''Haemonchus''

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|logo=goat.jpg}}

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[[Category:Goat Parasites]]

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~~=== Drug Susceptibility ===~~

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*Anthelmintics are, in general, metabolised more quickly by goats therefore a higher dose is required

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**Levamisole needs 1.5x sheep dose rate

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**Benzimidazoles needs 1.3x sheep dose rate

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*Anthelmintic resistance occurs much more quickly in goats than sheep. As many nematode species are common to both hosts, sheep should not be grazed on pastures previously used by goats

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=== ~~Approaches to Control ===~~

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*Use sheep PGE control measures, especially pasture management. Use of silage aftermath to minimise anthelmintic usage and the risk of anthelmintic resistance developing

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*Unfortunately, many goat ~~rearers use anthelmintics excessively for example every 4-6 weeks; one treatment per grazing coupled with pasture management should be adequate~~

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*Zero grazing recommended (minimise risk of resistance developing).

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~~==Test yourself with the Small Ruminant Nematodes Flashcards==~~

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~~[[Small_Ruminant_Nematodes_Flashcards|Small Ruminant Nematodes Flashcards]]~~

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[[Category:Goat]]

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~~[[Category:To_Do_-_Parasites~~]]

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Category:Goat Nematodes (view source)

Revision as of 18:15, 21 January 2011