Haemonchus

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  • 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)