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Flashcards in Practical ID's Deck (22)
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1

Anoplocephala spp.

  • common name: Tapeworm
  • HSS: horse
  • Intermediate Host: orbatid grain mite
  • D shaped with hexacanth embryo
  • L1 infective 
  • site of infestation: cecum/small intestine
  • ova in feces

2

Moniezia spp.

  • common name: tapeworm
  • square/diamond shape
  • HSS: sheep/cattle
  • Intermediate Host: orbatid grain mite
  • Sife of infestation: Small intestine

3

Dioctophyma renale

  • Giant kidney worm
  • ***Surgucal removal***
  • ova in urine
  • Intermediate Host: annelid worm
  • Site of infestation: RIGHT KIDNEY

4

Pearsonema plica/felis cati

  • FAT STEWIE
  • common name: bladder worm
  • HSS: dog(plica) cat(felis cati)
  • Intermediate Host: could be earthworm
  • WHIPLIKE 
  • double operculated
  • OVA in URINE
  • Site of Infestation:urinary bladder
  • No PHS

5

Oxyuris equi

  • HSS: horse
  • single operculated 
  • No PHS
  • common name: Equine Pinworm
  • SCOTCH TAPE PREP(qualitative test): rat tail
  • direct life cycle
  • site of infestation: cecum, large intestine

6

Fasciola hepatica

 

 

  • cow ingested vegatation containing larval stage of this parasite

  • single operculated
  • common name: liver fluke
  • HSP: ruminants
  • Intermediate host: snail
  • Site of infestation: bile ducts; lungs
  • BLACK's DISEASE
  • ova in feces
  • PHS: rare
  • have to slaughter or have a necropsy
  • CONDEMNED ORGANS**

7

Taenia spp.

 

  • dog ingested a rabbit containing the larval stage of this parasite

  • radial striations
  • HSP: dogs rarely in cats
  • Intermediate host: rabbit
  • mistaken for pollen*(mickey mouse)
  • cysticercus(pea size)
  • ova in feces
  • Tapeworm
  • Site of infestation: small intestine
  • NO PHS
  •  

8

Dipylidium caninum

 

  • cat ingested a flea containing the larval stage of this parasite

  • NO PHS, ocasion child eats flea
  • commonly known as TAPEWORM
  • egg basket
  • FLEA TAPEWORM common name
  • HSP: dogs/cats
  • Intermediate Host: flea
  • Site of Infestation: small intestine
    • REHYDRATE
    • CRUSH IT
    • Look for eggs or egg basket

9

TASE/hookworm

  •  

  • strongyle=large animal
  • hookworm=small animal
  • NO PHS

 

  • Hookworm:
    • dog ingested feces containing ova of this parasite
    • PHS: CLM 

10

Toxocara spp.

 

  • dog ingested feces containing the ova of this parasite

  • PHS: VLM/OLM
  • Roundworm
  • HSS: dogs
  • puppies born with active case with be (pathognomonic)= cant be mistaken for anthing else
  • POT BELLY
  • ova in feces

11

Toxascaris leonina

 

  • dog ingested feces containing the ova of this parasite

  • PHS: VLM/OLM
  • roundworm
  • HSP: dogs/cats
  • Intermediate host: mice
  • inner ropey appearance
  • site of infestation: small intestine
  • ova or adult worms in feces
  •  

12

Trichuris spp

 

  • ingested feces with ova of this parasite

  • common name: WHIPWORM
  • HSP: dogs/ruminants
  • NO INTERMEDIATE HOST
  • primarily in southern U.S
  • site of infestation: cecum/small intestine
  • !!!!***dog=young parasitic collitis**!!!!
  • ***ruminants=young stock generally get is and have bloody scours
  • ova in feces
  • corprophagic children
  •  

13

Dirofilaria immitis

 

HEARTWORM

  • !!!*** MOST IMPORTAMT BLOOD PARASITE IN US!!!!*****
  • HSP: primarily dogs
  • circulating microfilaria (L1)
  • bad in the SOUTH
  • Intermediate Host: mosquito
  • 5 larval stages
  • mature adults when in the RIGHT VENTRICLE
  • 6-9 months PPP
  • fullblown: 75%(has both adults & microfilaria)
  • occult: 25%( has only adults)
  •  

14

Giardia

  • protozoan
  • WILL NOT PRODUCE OVA
  • produce cysts
  • HSP: everything
  • FECAL ORAL ROUTE; contaiminated water
  • treatment: Metronidazole(Flagyl) -
    • treat for 7 days up to 14 day
  • zoonotic

15

Coccidia

  • Isospora/Eimeria)

  • HSP; dogs/cats/exotics
  • NO intermediate host
    • 2 nuclei-isopora(usually SMALL animal!!!)
    • 4 nuclei-eimeria(usually LARGE animal!!)
  • found in the GI tract
  • SENSITIVE to sulfa drugs(albon)
  • NO PHS

16

Tick

 

  • Hard(most common***)
    • Ixodidae
  • Soft
    • Argasidae

 

 

  • **Acariasis=infestation of ticks
  • Arthropoda phylum
  • sexually reproduce
  • females need blood meal to reproduce
  • SOLID=inornate***
  • WHITE pattern=ornate***
  • humans can get:
    • Rocky Mountain Spotted Fever
    • Q fever
    • Lyme disease
  • Life Cycle:
    • lumph-6 legs
    • Nymph-8 legs
    • Adult-8, but have a genital pore

17

Demodex spp

  • burrowing mite
  • DEEP skin scrape
  • cigar shape
  • CANT REPRODUCE
  • breed on surface
  • site of infestation: hair follicle
  • DEMODECTIC mange
    • localized or generalized(affects face) infestation
  • MITABAN dip(amitraz) treatment**
  • no PHS
  •  

18

Otodectes

  • ear swab
  • common name: EAR MITE
  • in the ear canal
  • ROLL swab onto slide
  • look for brown mite with suckers on legs
  • clean ears with cerumite
  • SURFACE MITE

19

Cheyletiella

  • surface mite
  • skin scrape
  • WALKING DANDRUFF mite
  • can do a scotch tape prep***
  • on FUR of the animal
  • will see thickening of the skin
  • LIGHT skin SCRAPE(can be seen in feces because of grooming)
  • Mitaban treatment
  • PHS: YES, humans can get it!

20

Lice(Louse)

 

  • Chewing
  • Sucking

  • host for cattle, dogs, and cats
  • NITS=white and operculated
  • NYMPHS=same as adults
  • 3 stages
    • N1
    • N2
    • N3
  • Site of Infestation: skin and hair
  • SCOTCH TAPE PREP

21

Ctenocephalides

  • found on skin of species
  • FLEA**
  • prefer warm climates
  • ****TRANSMIT TO HUMANS:****
    • Endemic Typhus
    • Bubonic Plague
  •  

22

Clostridium/Campylobacter

  • fecal smear
  • obtaining a fleck of feces
  • stain with diff quik
  • examin on 100x OIL IMMERSION
    • fixation(green/blue)-5 1 second dip
    • eosinophilic(red)- 5 1 second dip
    • basophilic(dark purple)- 7-10 1 second dip
  • report out #/hpf

 

  • LOCATE 
  • ID
  • TREAT