Heterakis, Ascaridia, Strongyloididae Flashcards

1
Q

What species transmits Histomonas meleagridis?

A

Heterakis gallinae

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2
Q

What is the host and predilection site of Heterakis gallinae?

A

Domestic and wild birds, cecum

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3
Q

Where is Heterakis isolonche found?

A

In the cecum of pheasants

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4
Q

What is the Ascaridia of game birds?

A

A. compar

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5
Q

What is the Ascaridia of turkey?

A

A. dissimilis

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6
Q

What is the Ascaridia of pigeon?

A

A. columbae

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7
Q

What is the Ascaridia of wild and domestic birds?

A

A. galli

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8
Q

What is the largest and most common nematode of chicken?

A

Ascaridia galli

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9
Q

What Strongyloides spp affects equine?

A

S. westeri

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10
Q

What Strongyloides spp affects ruminants?

A

S. papillosus

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11
Q

What Strongyloides spp affects pigs?

A

S. ransomi

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12
Q

What Strongyloides spp affects dogs, cats, and man?

A

S. stercoralis

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13
Q

What Strongyloides spp affects birds?

A

S. avium

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14
Q

What type of esophagus do these species have?

A

Rhabditiform or filariform esophagus

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15
Q

Which animals are primarily affected by Strongyloides?

A

Neonatal pigs and the growing stages

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16
Q

Which Strongyloides species causes hyperinfection?

A

Strongyloides stercoralis

17
Q

Describe the eggs of Heterakis spp.

A

Ovoid, smooth shelled and unsegmented

18
Q

What causes nodular typhlitis in pheasants?

A

Heterakis isolonche

19
Q

What species only have females as the parasitic form?

A

Strongyloides spp

20
Q

What is the common name of Strongyloides?

A

Threadworm

21
Q

What is a primitive group of nematodes mostly free living or parasitic in lower vertebrates and invertebrates?

A

Strongyloides

22
Q

What is the affected site of Strongyloides?

A

Cecum and small intestine

23
Q

What causes foot rot during Strongyloides infection?

A

Bacteroides nodosus