Nematodes 1 (PPT) Flashcards
1
Q
Trichinella spiralis PS
A
SI
2
Q
Roundworm of pig, rat, domestic & wild carnivores and man
A
Trichinella spiralis
3
Q
Larva is of this roundworm is found in muscles
A
Trichinella spiralis
4
Q
Same host serves both as definitive/final and intermediate host
A
Trichinella spiralis
5
Q
World’s largest intracellular parasite
A
Trichinella spiralis
6
Q
Diseases caused by Trichinella spiralis
A
Trichinellosis/Trichinosis
7
Q
No free-living stage (larva and adult are parasitic)
A
Trichinella spiralis
8
Q
Affected pig muscles caused by T. spiralis is called
A
Trichinous meat
9
Q
Tool used in viewing Trichinae by digestion of affected muscle
A
trichinoscopes
10
Q
Drug used in treating hosts affected by T. spiralis
A
Thiabendazole
11
Q
How to Control T. spiralis
A
• prevent access to animal offals
• avoid eating raw or unthoroughly
cooked pork, other meat
12
Q
Third most common roundworm of humans
A
Trichuris or Whipworms
13
Q
nematode of cecum and colon one, of the “big 4” intestinal parasites of dogs
A
Trichuris or Whipworms
14
Q
Whipworm of man
A
Trichuris trichiura
15
Q
Whipworm of pig
A
Trichuris suis
16
Q
Whipworm of dog
A
Trichuris vulpis
17
Q
Whipworm of Mouse
A
Trichuris muris
18
Q
Whipworm of goat
A
Trichuris ovis
19
Q
Whipworm of cat
A
Trichuris campanula
20
Q
Whipworm of cattle
A
Trichuris discolor/globulosa
21
Q
Hairworms of dog bladder
A
Capillaria/Pearsonema plica
22
Q
Hairworms of birds and man intestinal tract
A
Capillaria/Aonchotheca
philippinensis
22
Q
Hairworms of
A
22
Q
Hairworms of Rodents Liver
A
Capillaria/Calodium hepatica
23
Hairworms of Fox Airways
Capillaria/Eucoleus
aerophilus
24
PS of Capillaria/Pearsonema plica
Bladder
25
PS of Capillaria/Aonchotheca
philippinensis
Intestinal tract
26
PS of Capillaria/Calodium hepatica
Liver
27
PS of Capillaria/Eucoleus
aerophilus
Airways
28
PS of Capillaria caudinflata
Small intestine
29
PS of Capillaria annulata
crop
30
PS of Capillaria obsignata/
columbae
Small intestine
31
PS of Capillaria contorta
esophagus
32
Hairworms of birds Small intestine
Capillaria caudinflata
Capillaria obsignata/columbae
33
Hairworms of Birds crop
Capillaria annulata
34
Hairworms of Turkey esophagus
Capillaria contorta
35
Hairworms that has earthworm as their IH
Capillaria annulata
Capillaria obsignata/
columbae
36
Hairworms of ruminants abomasum
Capillaria bilobata
37
PS of Capillaria bilobata
abomasum
38
Egg is colorless, more barrel-shaped and polar plug do not project as far
Capillaria sp.
39
* disease that has Low grade infections produce cough, wheezy respiration, weakness, and poor growth
* bronchopneumonia may lead to death
Nasal/Bronchial capillariosis
40
* disease that causes dysphagia due to inflammation and sloughing off of upper GIT
Upper digestive tract capillariosis
41
* Autoinfection leads to hyperinfection (200,000 adults/L of bowel fluid)
* Diarrhea due to catarrhal or hemorrhagic enteritis
* severe malabsorption syndrome(protein-losing
enteropathies
Intestinal capillariosis
42
First generation adult capillaria sp./whipworms females are larviparous
43
protein-losing enteropathies due to Intestinal capillariosis
severe malabsorption syndrome
44
disease first reported in Ilocos Norte 1960’s
Intestinal capillariosis
45
whipworms are carried by this species and cause intestinal capillariosis
Hypseleotris bipartita
46
this disease causes dysuria and cystitis
Urinary capillariosis
47
this disease cause hepatitis, peritonitis, ascites (may be fatal)
Hepatic capillariosis
48
treatment for capillariosis
no specific treatment but **benzimidazole derivatives,
ivermectin, and levamisole** could be used with relative
success
49
nematodes of kidney (renal pelvis) of wild and domestic carnivores but pigs and man may be affected
Dioctophyma renale
“giant kidney worm”
50
one of the largest species of nematodes
considered as the largest nematode of animals
Dioctophyma renale
“giant kidney worm”
51
organ more frequently affected by Dioctophyma renale “giant kidney worm”
Right kidney
52
nematode of SI of pig
Ascaris suis/suum
53
nematode of SI of pig and may cross infect humans
Ascaris lumbricoides
54
lipid layer of the eggshell of Ascaris suis/suum contains
ascarosides
55
paratenic hosts of Ascaris suis/suum
beetle and earthworms
56
Tracheal route of migration vs Somatic route of migration
The tracheal route of migration is when parasitic larvae migrate through the trachea, while the somatic route of migration is when larvae migrate to other tissues in the body
57
“balling up” cause obstruction
Ascaris suis/suum
58
Causes milk spot lesions
Ascaris suum/suis
59
Causes coughing; “thumps”
Ascaris suum/suis
60
3 Basic disease problems common in swine farms
Scouring
Pneumonia
Parasitism
61
Disease caused by Ascaris lumbricoides
Human ascariasis
62
eosinophilic pneumonitis
Loffler's syndrome
63
Nematode of SI of equine
Parascaris equorum
64
Nematode of SI of equine
Parascaris equorum
65
Nematode that has sub spherical shape egg
Parascaris equorum
66
Nematode that has sub spherical shape egg
Parascaris equorum
67
Nematode that has sub spherical shape egg
Parascaris equorum
68
Nematode of SI of cattle and buffalo
Toxocara/Neoascaris vitulorum
69
Nematode of SI of cattle and buffalo
Toxocara/Neoascaris vitulorum
70
Affects SI of dogs
Toxocara canis
71
PS of Ascaris suis/suum
SI
72
PF of Parascaris equorum
SI
73
Causes pot-belly
Toxocara canis
74
Found in SI of cat
Toxocara cati
75
Found in SI of dog and cat
Toxascaris leonina
76
no migratory cycle takes place in this type of nematode
Toxascaris leonina
77
Visceral Larva Migrans
Condition in man associated with some
nematode species
T. canis
T. cati
Toxascaris leonina
Bayliscaris procyonis
Strongyloides ransomi
78
worms migrate aimlessly in the internal
organs of unnatural hosts causing chronic
granulomatous lesions
T. canis
T. cati
Toxascaris leonina
Bayliscaris procyonis
Strongyloides ransomi
79
anal pruritus due to egg-laying females which result to
“rat-tailed” appearance
Oxyuris equi “horse pinworm”
80
Found in the cecum, appendix, and perineal region of humans and other primates
Enterobius vermicularis “human
pinworm or seatworm”
81
Found in the cecum, appendix, and perineal region of humans and other primates
Enterobius vermicularis “human
pinworm or seatworm”
82
Nematode more common in temperate countries
Enterobius vermicularis “human
pinworm or seatworm”
83
Nematode more common in temperate countries
Enterobius vermicularis “human pinworm or seatworm”
84
PS of Probstmayria vivipara
LI
85
unusual perpetual parasite
Probstmayria vivipara
86
viviparous female give birth to larvae almost as large as
the adult
Probstmayria vivipara
87
infection of Probstmayria vivipara is by
ingestion of larva through coprophagy
88
non-pathogenic nematode
Probstmayria vivipara
89
found in the cecum of domestic and wild birds
Heterakis gallinae
90
PS of Heterakis gallinae
cecum
91
transmission of Heterakis gallinae
ingestion of L2 from the soil and earthworm
92
may cause thickening of the cecal mucosa and petechial hemorrhage
Heterakis gallinae
93
Heterakis gallinae transmits this protozoa
Histomonas meleagridis
94
transmits Histomonas meleagridis
Heterakis gallinae
95
Found in the cecum of pheasants
Heterakis isolonche
96
* Largest and most common nematode of chicken
Ascaridia galli
97
Rhabditiform or filariform esophagus
Strongyloides spp
98
non-parasitic generation may produce parasitic generation
Strongyloides spp
99
100% prevalence rate
primarily affects neonatal pigs and the
growing stages
Strongyloides spp
100
What makes control of Strongyloides spp.
difficult?
* Non-parasitic generation readily persist and reproduce
outside the host
* parthenogenetic production of eggs
* ability to infect per cutis, per os, via milk
* short autoinfection & hyperinfection pd
* migration in various organs
* old animals serve as reservoir hosts
101
Found in the cecum and colon of horses
Strongylus spp
102
Ulcers because they are “plug feeders”
Strongylus spp
103
causes
* Verminous arteritis
* Aneurysyms
* Organ infarction
* Thromboembolic colic
Strongylus vulgaris
104
SMALL STRONGYLES
OF HORSE
Triodontophorus
Trichonema
Cyathostomum
Cylicocyclus
105
disease caused by Cyathostomum
cyathostomiasis
106
causes extensive “pimply gut” lesions interfere with absorption
and bowel movement
Oesophagostomum sp. "Nodular worm of pigs and ruminants"
107
larval stage of Oesophagostomum sp. "Nodular worm of pigs and ruminants" that cause nodule formation upon reinfection
L4 and L5
108
* Found in colon of small ruminants and occasionally cattle
CHABERTIA OVINA
"Large-mouthed bowel worm"
109
Found in kidney and perirenal tissue; May migrate
erratically to other organs
Stephanurus dentatus "Kidney worm of pig"
110
PS of Stephanurus dentatus "Kidney worm of pig"
kidney and perirenal tissue
111
Control for Stephanurus dentatus "Kidney worm of pig"
* Indoor housing
* “gilts only” scheme
112
Found in the trachea of non- aquatic birds
Syngamus trachea
113
red when fresh
Syngamus trachea
114
pinkish in color when fresh
Stephanurus dentatus "Kidney worm of pig"
115
permanently “ in copula” forming a Y-shape
Stephanurus dentatus "Kidney worm of pig"
116
Mammomonogamus laryngeus permanently “in copula” forming a what shape?
Y-shape
117
permanently “ in copula” forming a Y-shape
Mammomonogamus laryngeus
