Parasitology Lab: Protozoans slides

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    • Eimeria leukarti 
    • Strongyloides westeri
    • Strongyle egg
    • Eimeria leukarti 
    • Strongyloides westeri 
    • 2 strongyle eggs
  1. Eimeria zuernii 

    More pathogenic of the 11 sp of coccidian of cattle in North American
  2. Eimeria zuernii 

  3. Giardia bovis

    Flagellate protozoan of cattle, small intestines
  4. Giardia bovis

    Cattle, 2 posterior flagella
  5. Giardia bovis

    Cattle, ventral sucking disc and 2 nuclei
  6. Giardia bovis

    Cattle, ventral concavity and posterior flagella
  7. Eimeria ovina

  8. Eimeria ovina

    Sheep, polar cap present at one end of the cyst
  9. Trichomonas suis

    "Swine nasal trichomonad"
  10. Trichomonas suis

    "Swine nasal trichomonad"

    Slide made using saline or lactated ringers solution
    • Eimeria sp. of swine 
    • Oesophagostomum sp
  11. 3 Eimeria sp. shown
  12. Balantidium coli


    Ciliated, found in cecum and colon causing "balantidosis". Mature form (trophozoite) which may cause dysentery in man and monkeys too.
  13. Balantidium coli

    Trophozoite form
    • Isospora bigemina (smaller)
    • Isospora ohioensis (bigger) 

    Coccidium of dogs, cats and foxes
  14. Isospora bigemina 

    Sporulated oocysts and sporocysts
    • F: Isospora felis
    • R: Isospora rivolta
    • T: Toxoplasma gondii 
    • C: Isospora cati (excreted sporulated)
    • A: Sporulated Isospora felis
    • B: Unsporulated Isospora felis
    • C: Hookworm egg
  15. Isospora canis 

  16. Giardia 

    Face produced by nucleus, nucleoli and centroile rod
  17. Giardia

    Fresh cyst shows thin, smooth outer cyst wall
  18. Giardia 

    Distorted by hypertonic flotation solutions
  19. Entamoeba

    Trophozoites found in fresh feces, can cause severe dysentery
  20. Balantidium coli

    Usually seen in conjunction with Trichuris infection
  21. Coccidian oocysts float readily with little distortion
  22. Process of sporulation with coccidia occurs quickly in warm humid conditions and sporocysts can form in 24-48 hrs in feces
  23. Eimeria

    Pathogenicity in dogs is unknown
  24. Eimeria

    Development of sporocysts is proceeded by division of intact single cell of the oocyst into 4 cells
  25. Fungal spores with oocysts
  26. Eimeria

    • Toxoplasma 
    • Eimeria
  27. Oocysts of rabbit feces
  28. Isospora canis

    Oocysts from a dog

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Parasitology Lab: Protozoans slides
2015-06-25 01:11:14

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