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AA Vet Roundworms > Trichostrongylidae > Flashcards

Trichostrongylidae Flashcards

1
Q

They are known as the twisted stomach worm, wireworm, and barber’s pole worm

A

Haemonchus contortus

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2
Q

Identify the predilection site twisted stomach worm

A

abomasum

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3
Q

known as the bankrupt worms or black scour worms

A

Trichostrongylus spp

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4
Q

Trichostrongylus spp predilection site

A

small intestine and stomach

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5
Q

Trichostrongylus spp in SI of cattle

A

T. longispicularis

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6
Q

Trichostrongylus spp present in SI or abomasum of ruminants

A

T. columbiformis

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7
Q

Trichostrongylus spp present in SI of sheep and goats

A

T. capricola

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8
Q

known as the brown stomach worm

A

Ostertagia /Teladorsagia

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9
Q

brown stomach worm of cattle

A

Ostertagia ostertagi

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10
Q

brown stomach worm of sheep

A

Teladorsagia circumcincta

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11
Q

Described as the watch spring-like posture due to the prominent longitudinal ridges which are transversely striated

A

Cooperia and Paracooperia

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12
Q

Paracooperia spp found in SI of buffaloes

A

Paracooperia nodulosa

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13
Q

Cooperia and Paracooperia host and predilection site

A

ruminants; SI

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14
Q

these are intertwined slender worms appear like a “cotton wool”

A

nematodirus

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15
Q

They have the same pathogenicity as Haemonchus but milder

A

Mecistocirrus

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16
Q

known as the red stomach worm of pigs

A

Hyostrongylus rubidus

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17
Q

Hosts and predilection sites of Ornithostrongylus

A

crop, proventriculus, and small intestine of pigeons

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18
Q

Trichostrongylidae spp found in the stomach of cat, fox, and pigs

A

Ollulanus tricuspis

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19
Q

trichostrongyles in small intestine of rodents

A

Nippostrongylus muris

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20
Q

trichostrongyles in stomach of rabbits

A

Obeliscoides cuniculi

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21
Q

trichostrongyles in proventriculus of ostrich

A

Libyostrongylus douglasii

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22
Q

trichostrongyles with cross shaped telamon

A

Ornithostrongylus

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23
Q

Give the general morphology of Trichostrongylus spp

A
  1. buccal capsule either absent or small
  2. devoid of leaf crowns
  3. no teeth
  4. have well developed bursa
  5. eggs are strongyle like and thin walled
24
Q

known as the small intestinal hair worm

A

Genus Trichostrongylus

25
Q

Trichostrongylus in SI of sheep and goats

A

Trichostrongylus longispicularis

26
Q

Trichostrongylus in SI, abomasum of ruminants

A

Trichostrongylus colubriformis

27
Q

Trichostrongylus in intestine of sheep and goats

A

Trichostrongylus capricola

28
Q

Trichostrongylus present in abomasum of ruminants, stomach of horses, pigs, and man

A

Trichostrongylus axei

29
Q

known as the stomach hair worm

A

Trichostrongylus axei

30
Q

these genera cause ringworm lesions and black scouring is evident

A

Trichostrongylus

31
Q

most common brown stomach worm

A

Ostertagia ostertagi

32
Q

brown stomach worm of goats

A

Ostertagia trifurcata

33
Q

heavy infection of Trichostrongylus will give the appearance of?

A

Nodules that coalesce and appear as morocco leather

34
Q

Identify the prominent features of Cooperia

A

watch spring like and very large bursa in all species

35
Q

Cooperia spp present in cattle

A

C. oncophora, C. punctata

36
Q

Cooperia spp present in sheep and goats

A

C. pectinata, C. curticei

37
Q

known as the thread-necked strongyles with cotton wool appearance

A

Nematodirus

38
Q

predilection site of Nematodirus

A

SI

39
Q

Its pathogenesis cause severe damage to the intestinal villi and erosion of the mucosa (villous atrophy)

A

Nematodirus

40
Q

Other common names of Haemonchus

A

twisted stomach worm, wire worm, barber pole worm

41
Q

wire worm of sheep and goats

A

Haemonchus contortus

42
Q

twisted stomach worms of cattle

A

Haemonchus placei, H. similis

43
Q

Trichostrongylidae genera more common in the Ph than Haemonchus

A

Mecistoccirrus

44
Q

These spp are distinguised from haemonchus microscopicallu by having long narrow spicules

A

Mecistoccirrus digitatus

45
Q

capable of penetrating the gastric glands

A

Ostertagia spp

46
Q

causes ring worm lesions in the intestinal mucosa

A

Trichostrongylus spp

47
Q

known as the small intestinal hairworm

A

Trichostrongylus spp

48
Q

known as the red stomach worm

A

Hyostrongylus rubidus

49
Q

FH and PS of Hyostrongylus rubidus

A

pigs; stomach

50
Q

known as the thread-necked worm

A

Nematodirus spp

51
Q

they gave prominent excretory pore located on the ventral side at some distance from the anterior end

A

bankrupt worms

52
Q

their white ovary is spirally wound around the blood filled ovary

A

Haemonchus

53
Q

females are like those of haemonchus but devoid of vulva flap

A

Mecistocirrus

54
Q

with a swollen head due to small cephalic vesicle

A

Cooperia

55
Q

Cooperia spp with watch spring like posture

A

Cooperia curticei

56
Q

known as the medium brown worm

A

ostertagia and teladorsagia

57
Q
A

AA Vet Roundworms (10 decks)

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