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RUSVM LAM II Practice Questions > Clinical Parasitism of Small Ruminants > Flashcards

Clinical Parasitism of Small Ruminants Flashcards

1
Q

You see this in a fecal smear from a sheep that is

over 3 weeks of age. What is your primary ddx?

A

Coccidiosis

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2
Q

You see this in a fecal smear from a sheep that is

LESS THAN 3 weeks of age. What is your primary ddx?

A

Cryptosporidium

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3
Q

How is coccidiosis diagnosed?

A

An oocyst count of greater than 5,000/gram of feces

PLUS

clinical signs (diarrhea, ill thrift, mucky butt, anorexia)

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4
Q

What are your 4 differentials if you suspect coccidiosis

as your primary ddx?

A

Colibacillosis

Salmonellosis

Clostridium

Cryptosporidiosis

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5
Q

What are the risk factors for coccidiosis?

A

Weaning

Overcrowding

Wet environment

Feet and feces in feeders

Poor nutrition

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6
Q

How is coccidiosis treated?

A

5 day course of:

Sulfonamides

Amprolium (beware of polioencephalomalacia)

or

Ionophores

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7
Q

What are the 3 parasites associated with Strongylosis?

A

Haemonchus

Trichostrongylus

Nematodirus

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8
Q

________ causes anemia and hypoproteinemia in lambs and kids

A

Haemonchus

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9
Q

This test detects sheep that are parasitized

in order to selectively deworm animals to decrease drug resistance

A

FAMACHA

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10
Q

What is the main clinical sign of strongylosis?

A

Bottle jaw

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11
Q

What 2 species of lungworms are we worried about in

small ruminants?

A
  • Dictyocaulus filarial*
  • Mullerius capillaris*
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12
Q

________ are the intermediate host of lungworms

A

Snails

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13
Q

The proper name of the Meningeal Worm

A

Paralaphestrongylus tenuis

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14
Q

The Meningeal Worm (Paralaphestrongylus tenuis) is a parasite

of ________. Sheep and goats are just the aberrant hosts.

A

White-tailed deer

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15
Q

What are the intermediate hosts of the

Meningeal Worm (Paralaphestrongylus tenuis)?

A

Snails and Slugs

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16
Q

Meningeal Worm (Paralaphestrongylus tenuis) infection

is seen more commonly in this season

A

Winter (parasite in migratory phase)

17
Q

Bambi got hungry and ate Gary from Spongebob.

Bambi then went to hang out with Babe the pig and his sheepy friends.

Now, a bunch of Babe’s sheepy friends

are recumbent but BAR.

What is your primary ddx?

A

Meningeal Worm (Paralaphestrongylus tenuis)

18
Q

How is Meningeal Worm (Paralaphestrongylus tenuis) treated?

A

FENBENDAZOLE and CORTICOSTEROIDS

(not ivermectin, unless trying to prevent infection)

19
Q

The proper name for nasal bots.

A

Oestrus ovis

20
Q

Which 2 species of flukes do we worry about with small

ruminants?

A

Fasciola and Paramphistomum

21
Q

Flukes, found in low lying wet swampy areas,

cause ______ damage, which predisposes to

potentially deadly clostridial diseases

A

Liver

22
Q

This species of tapeworms affects sheep, goats, and cattle

A

Monieza

23
Q

DOGS have the potential to spread this species

of tapeworm’s cysts to sheep.

A

Taenia hydagenita

24
Q

How is fly strike prevented in small ruminants?

A

Organophosphate or Pyrethrin dip/pour-on

25
Q

Sheep scab is caused by this parasite

A

Psoroptes communis ovis

26
Q

A herd of goats is seen with pruritic, crusty lesions on the

pastern area. What is your primary ddx?

A

Chorioptic mange

27
Q

Which 2 species of babesia affect sheep and goats?

A
  • Babesia motasi*
  • Babesia ovis*
28
Q

Babesiosis is _______ in younger animals

A

MILDER

29
Q

An older sheep presents with acute onset

fever, anorexia, and jaundice.

Pyriform lobes are seen in its RBCs.

What is causing this animals condition?

A

Babesiosis

30
Q

How is Babesiosis treated in sheep and goats?

A

Imidocarb

Diminazene

31
Q

_______ strike in areas of infection or skin necrosis.

Their eggs hatch within hours, and animals are seen

wagging their tails, rubbing, and smacking their lips.

A

Blowflies

32
Q

How do the lesions of Orf and Dermatophilosis

differ?

A

In ORF- lesions around mouth only and do not connect

In Dermatophilosis- lesions can be around mouth, but also other areas

33
Q

What is the vector for Dermatophilosis in small ruminants?

A

Tick vector- Amblyomma ambigata

RUSVM LAM II Practice Questions (19 decks)

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