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By which other name is Linguatula serrata known and why?
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- The tongue worm
- Is shaped like a tongue with an expanded anterior and transverse striations
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Summarise the life cycle of Linguatula serrata.
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- Adults inhabit the nasal passages of dogs (and sometimes cats)
- Eggs are sneezed out or passed with the faeces and are swallowed by herbivores
- Eggs hatch in the herbivore intestine and migrate to the mesenteric lymph nodes
- Larvae encyst to become infective nymphs
- When dogs eat uncooked viscera the nymphs crawl up the nasal cavity via the soft palate
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What are the two species of sea lice of veterinary importance?
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What do heavy infections of sea lice lead to?
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Epidermal abrasion
- Haemorrhage
- Immunosuppression
- Decreased productivity
- Death
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