Difference between revisions of "Haemonchus"
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| − | + | {| cellpadding="10" cellspacing="0" border="1" | |
| + | | Also known as: | ||
| + | | '''Barber's pole worm | ||
| + | |- | ||
| + | | The most important veterinary species | ||
| + | |'''''Contortus''''' | ||
| + | |- | ||
| + | |} | ||
| + | |||
| + | ===Introduction=== | ||
| + | Haemonchus contortus is a nematode parasite from the family '''Trichostrongyloidea.''' It is found worldwide, and is an extremely important parasite of sheep and goats, particularly in tropical/ subtropical regions. | ||
| + | |||
| + | Within the UK, it is found most commonly in the South, where the climate tends to be a little warmer and drier. Some have shown complete resistance to current anthelemintics which is posing a real problem, making sheep and goat farming extremely difficult in some areas of the country. | ||
| + | |||
| + | '''Scientific Classification''' | ||
| + | |||
| + | {| cellpadding="10" cellspacing="0" border="1" | ||
| + | | Kingdom | ||
| + | | Animalia | ||
| + | |- | ||
| + | | Phylum | ||
| + | | Platyhelminthes | ||
| + | |- | ||
| + | | Class | ||
| + | | Trematoda | ||
| + | |- | ||
| + | | Subclass | ||
| + | | Digenea | ||
| + | |- | ||
| + | | Order | ||
| + | | Echinostomida | ||
| + | |- | ||
| + | | Family | ||
| + | | Fasciolidae | ||
| + | |- | ||
| + | | Genus | ||
| + | | Fasciola | ||
| + | |- | ||
| + | | Species | ||
| + | | '''F. Hepatica''' | ||
| + | |} | ||
| + | |||
| + | |||
| + | |||
| + | |||
| + | |||
| + | *''Haemonchus contortus'' (abomasum) - sheep | ||
| + | **2cm long,'''barber's pole''' appearance when fresh | ||
| + | **Primarily a tropical/sub-tropical parasite, although may cause problems in the UK (was restricted to SE England but has spread north to Scotland due to warmer, wetter winters in recent years) | ||
| + | **Blood-sucking nematode (piercing "lancet" in buccal capsule of L4 and adult worms)[[Category:Trichostrongyloidea]] | ||
| + | [[Category:To_Do_-_Max]] | ||
Revision as of 14:33, 6 July 2010
| Also known as: | Barber's pole worm |
| The most important veterinary species | Contortus |
Introduction
Haemonchus contortus is a nematode parasite from the family Trichostrongyloidea. It is found worldwide, and is an extremely important parasite of sheep and goats, particularly in tropical/ subtropical regions.
Within the UK, it is found most commonly in the South, where the climate tends to be a little warmer and drier. Some have shown complete resistance to current anthelemintics which is posing a real problem, making sheep and goat farming extremely difficult in some areas of the country.
Scientific Classification
| Kingdom | Animalia |
| Phylum | Platyhelminthes |
| Class | Trematoda |
| Subclass | Digenea |
| Order | Echinostomida |
| Family | Fasciolidae |
| Genus | Fasciola |
| Species | F. Hepatica |
- Haemonchus contortus (abomasum) - sheep
- 2cm long,barber's pole appearance when fresh
- Primarily a tropical/sub-tropical parasite, although may cause problems in the UK (was restricted to SE England but has spread north to Scotland due to warmer, wetter winters in recent years)
- Blood-sucking nematode (piercing "lancet" in buccal capsule of L4 and adult worms)