Difference between revisions of "Crustacea Flashcards"

Revision as of 00:53, 20 February 2010

Sea Lice - Copyright Joseph G. Kunkel at The Kunkel Fish & Aquatic Invert Site

Question	Answer	Article
By which other name is Linguatula serrata known and why?	The tongue worm Is shaped like a tongue with an expanded anterior and transverse striations	Link to Article
Summarise the life cycle of Linguatula serrata.	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	Link to Article
What are the two species of sea lice of veterinary importance?	Lepeophtheirus Caligus	Link to Article
What do heavy infections of sea lice lead to?	Epidermal abrasion Haemorrhage Immunosuppression Decreased productivity Death	Link to Article

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 |q1=By which other name is ''Linguatula serrata'' known and why?