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Animal Tech III - Parasitology > Canine Parasites > Flashcards

Canine Parasites Flashcards

1
Q

The Big 4 Parasites of dogs

A
  1. Roundworms 2. Hookworms 3. Whipworms 4. Tapeworms
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2
Q

An ascarid known as the “large roundworm of canines” (large, robust nematode) Found in the small intestines Causes pot belly in dogs

A

Toxocara canis

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3
Q

These roundworms can be transmitted transplacentally (pups are born with them if mother is infected) or by direct ingestion of infectious eggs Most common parasite in dogs

A

Toxocara canis

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4
Q

This parasite causes ocular larval migrans or visceral larval migrans in humans

A

Toxocara canis

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5
Q
A

Toxocara canis

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6
Q

Known as the K9 hookworm

Nematode of the small intestines that causes anemia and melena

Can travel percutaneously

A

Ancylostoma sp.

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7
Q

The “Warm Weather Hookworm” that feeds off of blood

Has sharp teeth

A

Ancylostoma caninum

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8
Q
A

Ancylostoma sp.

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9
Q

Zoonosis of this parasite causes creeping eruptions in humans

AKA. cutaneous larval migrans

A

Ancylostoma sp.

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10
Q

Known as the Cold Weather Hookworm

Can be transmitted percutaneous (though not as likely) or ingestion of infective larva

Mouth is made of cutting plates, not sharp teeth so they are not voracious blood suckers

A

Uncinaria stenocephala

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11
Q
A

Uncinaria stenocephala

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12
Q

The Canine Whipworm

Found in the LARGE instestines, not small

Causes severe, watery diarrhea, hematochezia, and rapid dehydration

Passed through the ingestion of infective eggs

A

Trichuris vulpis

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13
Q

Bright red blood in stool

A

hematochezia

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14
Q

Eggs are dense and heavy and can survive for years

These eggs have plugs that serve as an operculum

Use a sugar solution with centrifugal floatation testing

A

Trichuris vulpis

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15
Q
A

Trichuris vulpis

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16
Q

The Nasal Worm of canines

Found in the nasal sinuses (turbinates)

Causes dogs to press their noses against wall or floor

Formerly known as Capillaria bohmi

A

Eucoleus bohmi

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17
Q
A

Eucoleus bohmi

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18
Q

The Canine Lungworm

Passed through the ingestion of a paratenic host or infective LARVA

Live in nodules of the lungs so bronchoscopy would help determine what species

Infective L1

Causes chronic C+

A

Filaroides sp.

19
Q

Filaroides sp. found in the trachea and bronchioles

A

F. osleri

20
Q

Filaroides sp. found in the lung parenchyma

A

F. hirthi

21
Q

Filaroides sp. found in the bronchioles

A

F. milksi

22
Q

L1s have s-shaped tail

Baermann test is best for the larva

A

Filaroides sp.

23
Q
A

Filaroides sp.

24
Q

The “Stomach Worm”/”Esophageal Worm”

Caused from ingestion of raw chicken or a dung beetle

Bright red/orange colored worms

If left untreated it can cause malignant tumors

A

Spirocirca lupi

25
Q

Paperclip like eggs

Control by not letting dogs eat raw chicken or hunt animals

A

Spirocirca lupi

26
Q
A

Spirocirca lupi

27
Q

Giant Kidney Worm in dogs

Largest nematodes that affect domestic animals (can be up to 3 ft)

Eats the kidney from inside out

Eggs are carried in urine

A

Dioctophyma renale

28
Q

Test using the sedimentation of urine

To remove, best practice is nephrectomy

Dark brown, thick-walled barrel shaped egg with a pitted shell and operculum at each pole

A

Dioctophyma renale

29
Q
A

Dioctophyma renale

30
Q

The Guinea Worm

Found in the subcutaneous tissues of dogs

Leaves pea-sized blisters on legs, elbows, and axillary area

Blisters are painful and itchy

Caused by ingestion of crustaceans in infected water or drinking infected water

A

Dracunculus insignis

31
Q

Comma shaped larva

When blister is dipped in water, female erupts from the blister and releases larva

Testing used: direct smear of fluid in the blister

A

Dracunculus insignis

32
Q
A

Dracunculus insignis

33
Q

Canine heartworm

Affects the pulmonary arteries and right ventricle

PPP: 6-8 mos

Spread through bite of an infected mosquito

A

Dirofilaria immitis

34
Q

When viewing on a slide, microfilaria stay in one spot and undulate in a sluggish manner

ELISA test is best for diagnostics

Using preventatives is the best practice

A

Dirofilaria immitis

35
Q
A

Dirofilaria immitis

36
Q

Most common adulticide for treating Heartworm

A

Immiticide

37
Q

When a dog is treated with Immiticide, the injection is given

A

IM in the epaxials

38
Q

How many injections are given of Immiticide in heartworm treatment?

A

3

39
Q

To treat microfilaria in a pt with heartworm dz, a microfilaricide is given first. What is the most common?

A

Ivermectin

40
Q

This drug used to be in practice for treating heartworm dz, but has been replaced by immiticide

A

Carparsolate

41
Q

Subcutaneous filarial worm (nematode)

Formerly called Dipetalonema reconditum

Nonpathogenic

Transmitted through infective flea bites

Very skinny, hairlike nematode

A

Acanthocheilonema reconditum

42
Q

Blunt shaped tail with a hook

Best prevention is flea preventatives

A

Acanthocheilonema reconditum

43
Q
A

Acanthocheilonema reconditium

Animal Tech III - Parasitology (3 decks)

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