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RVT- Parasitology > RVT- Endoparasites of Cattle, Sheep and Goats > Flashcards

RVT- Endoparasites of Cattle, Sheep and Goats Flashcards

1
Q

What kind of egg would T. ovis produce?

A

Trichinoilloid - Just like in horses and small animals

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2
Q

Which parasite would cause ‘frank’ blood to appear in its feces?

A

Trichuris ovis

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3
Q

What is the common name for Strongyloides papillosus in cattle, sheep and goats?

A

Threadworm

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4
Q

How is S. papillosus spread from animal to animal?

A

Fecal/oral
Transcutaneous
Transmammary

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5
Q

Which parasite in sheep, cattle and goats can cause acute diarrhea and death?

A

Nematodirus spathiger

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6
Q

What is the only trichostrongyle egg we will be able to tell apart from other trich eggs?

A

Nematodirus 200x90

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7
Q

What kind of parasite is Bunostomum and where is it found in its host?

A

Hookworm

Small intestines

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8
Q

What is the life cycle of Bunostomum?

A

Direct life cycle

Infects host by ingestion of infective larvae and skin penetration

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9
Q

What is the common name for Dictyocaulus viviparus amd

Dictyocaulus filaria?

A

Lungworm of cows (vivi)

Lungworm of sheep(filaria)

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10
Q

What roundworm is mostly found in the tropics but has been found in Bison populations out west?

A

Toxocara vitulorum

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11
Q

What is the definitive host of T. vitulorum?

A

Cattle, bison, water buffalo

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12
Q

What is the common name for Parelaphostrongylus tenuis?

What is its definitive host?

A

Meningeal worm

White tailed deer

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13
Q

What animal is T. tenuis found in?

A

White tailed deer

Alpaca and llama

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14
Q

What parasite is responsible for killing moose?

A

Parelaphostrongylus tenuis ( meningeal worm)

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15
Q

What is the intermediate host for the ‘surface of the brain’ worm?

A

Parelaphostrongylus tenuis worm - snail

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16
Q

What is the common name for Moniezia and where is it found in the definitive host?

A

Tapeworm

Small intestines

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17
Q

What is the intermediate host for Moniezia?

A

Pasture mite

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18
Q

Which parasite of cattle, sheep and goats is capable of hypobiosis?

A

Haemonchus contortus
Trichostrongyles axei
Cooperia

19
Q

Which parasites are associated with ‘bottle jaw’

A

Haemonchus contortus

Trichostrongylus axei

20
Q

What are the 3 common names for Haemonchus contortus?

A

Barber pole worm
Wire worm
Blood worm

21
Q

What is the definitive host of H. contortus and where is it found in the animal?

A

Sheep, cattle and goats

* Abomasum

22
Q

What are the clinical signs of haemonchus?

A

Enemia
‘Bottle jaw’
-removes protein from the blood, veracious bloodsucker

23
Q

What is the life cycle of Haemonchus?

A

Direct life cycle
PPP - 3 weeks
Hypobiosis

24
Q

How is wire worm diagnosed?

A

Fecal flotation (trichostrongyle egg)
Culture 10-14 days
FAMACHA test

25
Q

What are the common names for Teladorsagia and Ostertagia?

A

Brown stomach worm

26
Q

What is the definitive host for Teladorsagia?

A

Sheep and goats

27
Q

What is the definitive host for Ostertagia?

A

Cattle

28
Q

Which parasite causes a ‘moraccan leather’ appearance to the abamasum of a cow?

A

Brown stomach worm - Ostertagia

29
Q

Trichostrongylus axei found in cattle is also called…….

A

Stomach hair worm

30
Q

What are the clinical signs of Trichostrongylus axei in ruminants?

A

Diarrhea
Dehydration
Bottle jaw

31
Q

What is the common name for Cooperia?

A

Cattle bankrupt worm

32
Q

Where is Trichuris ovis found in sheep, cattle and goats?

A

Cecum and large intestines

33
Q

What are the clinical signs of threadworm in cattle sheep and goats?

A

Young animals - diarrhea, verminous pneumonia

34
Q

What is the common name for Muellerius capillaris?

A

Lungworm of sheep and goats

35
Q

What is the intermediate host of Muellerius?

A

Snail

36
Q

What are the clinical signs of D. viviparus and D. filaria and how is it diagnosed?

A

Lungworm of cattle
Lungworm of sheep
Baermann technique
Coughing, dyspnea

37
Q

What are the clinical signs of Cooperia?

A

Roundworm of cattle
Diarrhea
Anorexia
Poor growth

38
Q

What are some good pasture management rules to help manage parasite populations?

A 
Rotate pastures
Avoid multiple species grazing
Don't graze on dew
Good nutrition
Clean up feces from fields
Alternate forages
Healthy soil - earthworms eat ova and larvae
39
Q

Which endoparasites of ruminants undergo hypobiosis?

A 
Trichostrongyles-
Haemonchus contortus
Ostertagia
Teladorsagia
Trichostrongylus
Cooperia
40
Q

Which endoparasite can cause acute sever anemia, dehydration and death in young ruminants?

A

Bloodworm

41
Q

Which parasites require the Baermann technique for identification?

A

Dictyocaulus viviparus
Dictyocaulus filaria
Muellerius capillaris

42
Q

What is a GIN egg and which internal parasite of dogs and cats have an egg that looks similar?

A

Gastrointestinal nematode egg

Hookworm egg of dogs and cats

43
Q

Explain the difference in the appearance of sporulated oocysts of Isospora and Eimeria.

A

Isospora have 2 sporocysts with 4 sporozoites in each

Eimeria have 4 sporocysts with 2 sporozoites in each

44
Q

When do you use a direct fecal smear for diagnosis of parasites?

A

Looking for Trophozoites in Giardia and Eimeria

RVT- Parasitology (3 decks)

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