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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 present in SI of sheep and goats

A

T. colubriformis

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5
Q

Trichostrongylus spp present in SI, abomasum, or stomach of sheep, goats, cattle, horses, and donkey

A

Trichostrongylus axei

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6
Q

known as the brown stomach worm

A

Ostertagia /Teladorsagia

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7
Q

brown stomach worm of cattle

A

Ostertagia ostertagi

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8
Q

brown stomach worm of sheep

A

Teladorsagia circumcincta

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9
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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10
Q

Paracooperia spp found in SI of buffaloes

A

Paracooperia nodulosa

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11
Q

Cooperia and Paracooperia host and predilection site

A

ruminants; SI

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12
Q

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

A

nematodirus

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13
Q

They have the same pathogenicity as Haemonchus but milder

A

Mecistocirrus

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14
Q

known as the red stomach worm of pigs

A

Hyostrongylus rubidus

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15
Q

Hosts and predilection sites of Ornithostrongylus

A

crop, proventriculus, and small intestine of pigeons

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16
Q

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

A

Ollulanus tricuspis

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17
Q

trichostrongyles in small intestine of rodents

A

Nippostrongylus muris

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18
Q

trichostrongyles in stomach of rabbits

A

Obeliscoides cuniculi

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19
Q

trichostrongyles in proventriculus of ostrich

A

Libyostrongylus douglassii

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20
Q

trichostrongyles with cross shaped telamon

A

Ornithostrongylus

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21
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
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22
Q

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

A

Trichostrongylus axei

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23
Q

known as the stomach hair worm

A

Trichostrongylus axei

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24
Q

these genera cause ringworm lesions and black scouring is evident

A

Trichostrongylus

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25
most common brown stomach worm
Ostertagia ostertagi
26
brown stomach worm of goats
Ostertagia trifurcata
27
Identify the prominent features of Cooperia
watch spring like and very large bursa in all species
28
Cooperia spp present in cattle
C. oncophora, C. punctata
29
Cooperia spp present in sheep and goats
C. curticei
30
known as the thread-necked strongyles with cotton wool appearance
Nematodirus
31
predilection site of Nematodirus
SI
32
Its pathogenesis cause severe damage to the intestinal villi and erosion of the mucosa (villous atrophy)
Nematodirus
33
wire worm of sheep and goats
Haemonchus contortus
34
twisted stomach worms of cattle
Haemonchus placei
35
Trichostrongylidae genera more common in the Ph than Haemonchus
Mecistoccirrus
36
These spp are distinguished from haemonchus microscopically by having long narrow spicules
Mecistoccirrus digitatus
37
capable of penetrating the gastric glands
Ostertagia spp
38
causes ring worm lesions in the intestinal mucosa
Trichostrongylus spp
39
known as the small intestinal hairworm
Trichostrongylus spp
40
known as the red stomach worm
Hyostrongylus rubidus
41
FH and PS of Hyostrongylus rubidus
pigs; stomach
42
known as the thread-necked worm
Nematodirus spp
43
they gave prominent excretory pore located on the ventral side at some distance from the anterior end
bankrupt worms
44
their white ovary is spirally wound around the blood filled ovary
Haemonchus
45
females are like those of haemonchus but devoid of vulva flap
Mecistocirrus
46
with a swollen head due to small cephalic vesicle
Cooperia
47
Cooperia spp with watch spring like posture
Cooperia curticei
48
known as the medium brown worm
ostertagia and teladorsagia
49
resembles the human hookworms Ancylostoma present in rodents
Nippostrongylus brasiliensis
50
wireworm present crop in ostrich
Libyostrongylus douglassii
51
present in the small intestine of columbiform birds
Ornithostrongylus quadriradiatus
52
present in the ceca and SI of anseriform and galliform birds
Trichostrongylus tenuis
53
Briefly describe the morphological characteristics of Trichostrongyloid worms
1. with no or small buccal cavity 2. appearance of spicules of the male is an important diagnostic morphological character 3. have synlophe
54
these worms have swollen head due to small cephalic vesicle and their eggs have parallel sides
Cooperia
55
these worms have large eggs that are twice the size of a typical trichostrongyloid egg
Nematodirus / thread-necked worms
56
Nematodirus spp affecting SI of cattle
Nematodirus helvetianus
57
Nematodirus spp affecting SI of sheep and goats
Nematodirus filicollis, N. spathiger, N. battus
58
Affects abomasum or stomach of zebu, buffalo, sheep, goats and rarely pigs
Mecistocirrus digitatus
59
Present in the small and large intestines of buffalo and zebra
Paracooperia nodulosa
60
haemonchus spp affecting abomasum of camel
Haemonchus longistipes
61
most bloodsucking and pathogenic of hookworms
Haemonchus & Mecistocirrus
62
Major clinical signs are: profuse, watery diarrhea, putrid smell, dehydration and loss of appetite, weight, and production
Ostertagiosis
63
Cause hemorrhagic anemia, dark colored feces, edema, weakness and falling well in sheep and sudden death in acute diseases
Haemonchosis
64
In chronic cases, it seldom show diarrhea but may be constipated
Haemonchosis
65
These diseases cause diarrhea with severe, black, hemorrhagic scour
Trichostrongylosis, Cooperiosis, Nematodirosis
66
cause diarrhea in young animals and nodules in walls of small and large intestines
Paracooperiosis
67
long red worm attached to the gastric mucosa of rabbits
Graphidium strigosum
68
long white worms living in the small intestines of rabbits and hares
Trichostrongylus retortaeformis

AA Vet Roundworms (14 decks)

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