Spring 2011 - Parasitology Exam 2

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Diplidium caninum

(How was it acquired/ Where does it live in DH/ How does it cause harm in DH/ Clinical Signs/ Prevention and Control/ Tx/ Is it zoonotic)

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Acquired: DH (dog/cat/human) ingests metacestode (cysticercoid) in IH (flea/lice)

Lives: small intestine

Prevention and Control: prevent predation on fleas/ flea control (such as Imidacloprid in Advantage)

Treatment: Praziquantel and flea control (such as Imidacloprid in Advantage)

Clinical signs: passing of proglottids, does not cause a lot of harm to DH, poss irritation of anus from proglottids?

Zoonotic (yes, if human eats the flea/lice with metacestode)

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Diplidium caninum egg packet

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Dipylidium caninum egg packet

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Dipylidium caninum egg packet

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Taenia species egg

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Taenia species eggs

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Mesocestoides species eggs

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Moniezia egg and GIN egg

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Anoplocephala egg, Strongyle egg, Parascaris egg

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Anoplocephala egg

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Eimeria oocysts

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Fasciola hepatica egg

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Fasciola hepatica egg

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Paragonimus egg

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Spirocerca eggs - high power

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Ancylostoma caninum egg and Physaloptera egg - high power

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Ancylostoma caninum egg and Physaloptera egg - high power

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Physaloptera egg - high power

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Physaloptera egg- low power

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Macracanthorhynchus ingens egg - high power

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Macracanthorhynchus ingens egg - high power

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M. hirudinaceus egg -- high power

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Prosthenorchis eggs -- high power.

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Heterobilharzia egg (88x74um), fecal sedimentation of a dog

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Toxocara canis, Trichuris vulpis, Capillaria, Isospora canis, Isospora ohioensis, Uncinaria stenocephala, Ancylostoma caninum

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Toxocara canis, Trichuris vulpis, Capillaria, Isospora canis, Uncinaria stenocephala, Ancylostoma caninum, Taenia

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Moniezia bendeni, GIN, Eimeria spp., Strongyloides pappilosus

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Eimeria oocysts, GIN eggs

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Neospora caninum or Hammondia heydorni and Isospora ohioensis

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Neospora caninum or Hammondia heydorni and Isospora ohioensis

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Cryptosporidium and Eimeria species

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high power Taenia taeniaformis

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high power Taenia taeniaformis

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Toxocara cati, Ancylostoma tubaeforme, Isospora rivolta

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high power Isospora felis

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Eimeria oocysts

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Cryptosporidium oocysts

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Toxoplasma gongii oocysts; Isospora felis oocysts ; Isospora rivolta oocysts; Sarcocystis

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Isospora canis oocysts; Isospora ohioensis oocysts; Toxocara canis eggs

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Isospora felis oocysts

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Isospora canis oocysts, Ancylostoma canium eggs, Trichuris vulpis eggs

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Isospora suis oocysts

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Toxoplasma gondii oocysts

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Taenia species and Ancylostoma caninum eggs - high power

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Taenia species eggs - high power

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Dipylidium caninum egg packet and Ancylostoma caninum eggs - low power

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Dipylidium caninum egg packet