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UI 607 Parasitology > Final > Flashcards

Final Flashcards

1
Q

When is lice a problem in cattle?

A

winter

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2
Q

How many eggs does a flea lay in a day? a lifetime?

A 
day = 25-50
liftetime = 2,000
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3
Q

When do flea eggs hatch?

A

2-5 days after being laid

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4
Q

What can kill all life stages of flea?

A

freezing

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5
Q

How long is the lifecycle of fleas in the midwest?

A

28 days

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6
Q

What causes generalized demodex/red mange?

A

t-cell deficiency, inherited

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7
Q

What shape is demodex?

A

cigar shaped

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8
Q

What genus is walking dandruff?

A

cheyletiella

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9
Q

What is the most important external parasite in pigs?

A

sarcoptes scabii ssp. suis

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10
Q

What is the lifecycle of demodex mites?

A

all life stages in the hair follicle

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11
Q

What is the cause of red mange?

A

demodex

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12
Q

What part of chiggers life cycle is parasitic?

A

larvae

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13
Q

What mite is reportable?

A

psroptes

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14
Q

How long is the otodectes mite life cycle?

A

3 weeks

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15
Q

What can otodectes cause besides ear itching?

A

lesions on face

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16
Q

What mite causes scabies in cats?

A

notoedres cati

17
Q

What is the “scaly leg mite”?

A

knemidokoptes mutans

18
Q

What is the host of knemidokoptes?

A

birds

19
Q

What are the clinical signs of knemidokoptes?

A

deformed beaks, toe nails deformed

20
Q

What is the DH of chiggers?

A

turkeys and other fowl

21
Q

How does chiggers cause damage?

A

produce enzyme that liquefies skin, does not burrow

22
Q

What is the scientific name for lone star tick?

A

amblyomma americanum

23
Q

What tick has a painful bite and long piercing mouth parts?

A

lone star tick

24
Q

Which ticks do not have festoons?

A

black legged tick

25
Q

Which ticks have an “oranate”” appearance?

A

dermacentor (wood tick, dog tick)

26
Q

What tick genus uses dogs for it’s whole life cycle?

A

Rhipicephalus, brown dog tick

27
Q

What tick has a “frowny face” because the anal groove is anterior to the anus?

A

ixodes scapularis,(deer tick, black legged tick)

28
Q

What tick can cause rash and flu but no other severe symptoms?

A

southern tick but is amblyomma americanum (lone star tick)

29
Q

What tick transmits lyme disease?

A

ixodes scapularis (deer tick)

30
Q

What is the tick that can reproduce indoors?

A

rhipicephalus sanguinus (brown dog tick)

31
Q

What tick can the male not engorge on blood?

A

dermacentor, (dog tick)

32
Q

What myiasis damages hide in cattle?

A

hypoderma

33
Q

What is the horse bot fly?

A

gastrophilus

34
Q

Where does gastrophilus lay its eggs?

A

on legs of horses

35
Q

What is the sheep nasal bot?

A

oestrus ovis

UI 607 Parasitology (3 decks)

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