Nematodes in Swine
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| What is the red stomach worm of pigs scientific name? | Hyostrongylus rubidus
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| Ascaris suum is found in what part of the intestines? | small
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| What two parasites from the swine nematode list should be identified by the veterinary nurse as trichostrongyle type eggs? | Hyostrongylus rubidus and trichostrongylus axei
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| The stomach worm of swine is also called what? | Trichostrongylus axei
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| Do the trichostrongyle type eggs of swine suck blood? | yes
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| What is the location of the trichostrongyle type eggs of swine in their body? | stomach
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| What dewormers are used for trichostrongyle type eggs of swine? | ivmermectin, benzimidazoles
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| Which of the trichostrongyle type eggs of swine can cross species? | Trichostrongylus axei
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| What is the largest nematode found in swine? | Ascaris suum
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| After a pig ingests the infecive larvae of Ascaris suum they hatch and migrate to what organ? | liver
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| The migratory route of Ascaris suum is to the liver then the _____________________________ system to the _______________ and the bronchials and then swallowed. | circulatory, lungs
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| What two swine nematodes have the earthworm as their IH? | Metastrongylus elongatus and Stephanurus dentatus
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| What is the location of the adults of Metastrongylus elongatus? | Bronchi and bronchioles
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| What is the location of the adults of Stephanurus dentatus? | cystic spaces connected to the kidneys, ureters, and perirenal tissue
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| Metastrongylus elongatus is also called what? | swine lungworm
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| Stephanurus dentatus is also called what? | swine kidney worm
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| Why would housing of pigs on concrete help with Metastrongylus elongatus and Stephanurus dentatus infection? | They would not be exposed to earthworms in the ground.
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| What two ways (tests) can be performed to find Metastrongylus elongatus? | fecal flotation with specific gravity greater than 1.25 or fecal sedimentation
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| What is the route of transmission for Stephanurus dentatus? | ingestion of IH earthworm or percutaneous
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| What kind of a sample is needed to test for Stephanurus dentatus? | urine
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| Which swine nematode can have either a direct or indirect life cycle? | Stephanurus dentatus
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| How can Trichinella spiralis be diagnosed? | muscle biopsy
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| Which swine nematode can serve as both the DH and the IH? | Trichinella spiralis
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| Which swine nematode can infect humans through the consumption of undercooked pork? | Trichinella spiralis
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| What is the location of the adult Trichinella spiralis within the swine body? | small intestines
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| Define asymptomatic. | showing no symptoms
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| The common name for Oesophagostomum dentatum is what? | nodular worm of pigs
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| What is the location of the adult Oesophagostomum dentatum in the pig? | large intestine
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| Why does Oesophagostomum dentatum cause intestinal obstruction? | it makes nodules in the large intestinal walls
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| Is Oesophagostomum dentatum a trichostrongyle type worm? | yes
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| The intestinal threadworm of swine, just like in horses, only has a parasitic female worm. What is this called? | parthenogenetic
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| What are the two routes of transmission for Strongyloides ransomi? | transmammary and percutaneous
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| What is the location of the adult Strongyloides ransomi in the body of the swine? | small intestine
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| What is the whipworm of pigs called? | Trichuris suis
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| Where is the whipworm of pigs found in the body? | cecum and colon
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| Does Trichuris suis have a direct life cycle? | yes
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