Nematoda Strongylida Flashcards
1
Q
___________ egg is thin shelled, oval and 80x40um.
A
Uncinaria stenocephala egg is thin shelled, oval and 80x40um.
1
Q
L3 Infective stage
Egg in feces
Fecal Float for DX
Adults large and thick bodied
Large buccal capsule with leaf crowns
Culture to L3 in order to differentiate
Egg thin shelled with morula
A
Superfamily Strongyloidea
2
Q
Stephanurus dentatus eggs are found in the _________.
A
Stephanurus dentatus eggs are found in the urine.
2
Q
____________ adults are less than 9mm long, reddish and normally coiled in the mucosa of small intestine
A
**Cooperia spp **adults are less than 9mm long, reddish and normally coiled in the mucosa of small intestine
3
Q
__________ adults are white and range from 1-3cm in length.
A
Oesophagostomum spp adults are white and range from 1-3cm in length.
3
Q
_____________ requires a freeze thaw period for the L3 to hatch.
A
**Nematodirus spp ** requires a freeze thaw period for the L3 to hatch.
4
Q
Life Cycle of Ostertagia ostertagi
A
L3 enter abomasal glands and emerge as L5
Adult live in abomasum
L4 develop and arrest when environment is unfavorable
L3 can survive on pasture over winter
4
Q
Life cycle of Dictyocaulus spp
A
Female pass egg
Hatch to L1 and coughed up and passed in feces
L3 infective
L3 migrages though intestinal wall
via lymph and blood travel to lungs
5
Q
Uncinaria stenocephala is distributed in _____________.
A
Uncinaria stenocephala is distributed in cool climates.
5
Q
Common name of Stephanurus dentatus is the _______________.
A
Common name of Stephanurus dentatus is the Kidney Worm.
5
Q
___________ suffer more from Dictyocaulus filarial
A
Goats suffer more from Dictyocaulus filarial
6
Q
____________ can be secondary to a primary health problem.
A
Ancylostoma caninum can be secondary to a primary health problem.
7
Q
Common name of Haemonchus placei is _________.
A
Common name of Haemonchus placei is Barber pole worm.
7
Q
The common name of Parelaphostrongylus tenuis is ____________.
A
The common name of Parelaphostrongylus tenuis is Meningeal worm.
8
Q
A
Metastrongylus spp
9
Q
Ancylostoma caninum is distributed in _________.
A
Ancylostoma caninum is distributed in warm climates.
9
Q
Life cycle of Ancylostoma caninum
A
L 3 Ingested
Migrate and travel to small intestine to develop into adult or travel to skeletal muscle and enter state of arrested development.
9
Q
Type II Ostertagia
A
Emergence of many immature adults at one time after arresting
Mortality high
10
Q
Life Cycle of Oesophagostomum spp
A
L3 ingested and enter mucosa of large intestine
Enclose in nodules and molt to L4
L4 can remain in nodule for 1 year
L4 emerge and develop to adult in lumen
11
Q
Common name for Syngamus trachea is the ________.
A
Common name for Syngamus trachea is the gapeworm.
12
Q
Life cycle of Syngamus trachea
A
Larvae develop to L3 in egg
Ingest hatched L3, egg w/L3 or PH
Larvae encyst in PH
L3 migrate in bird from intestine to liver then to lungs
Develop to L4 in lungs then to L5 Form male/female pairs and migrate to trachea
Eggs are coughed up, swallowed and passed in feces
13
Q
____________ is the most important parasite of cattle in the USA.
A
Ostertagia ostertagi is the most important parasite of cattle in the USA.
14
Q
PPP of Aelurostrongylus abstrusus is _______.
A
PPP of Aelurostrongylus abstrusus is 6-12 weeks
15
Q
Host of Uncinaria stenocephala
A
Dogs and Cats
15
Host of Hyostrongylus rubidus
Swine
15
\_\_\_\_\_\_\_\_\_\_\_ adult is brown, hairlike, 1-3cm long but difficult to discern with the naked eye, embedded in lung tissue.
**Muellerius spp **adult is brown, hairlike, 1-3cm long but difficult to discern with the naked eye, embedded in lung tissue.
15
IH of Aelurostrongylus abstrusus
Snails and Slugs
16
Distribution of Oesophagostomum spp is \_\_\_\_\_\_\_\_\_\_\_\_\_\_.
Distribution of Oesophagostomum spp is **worldwide**.
17
Diagnosis of Stephanurus dentatus
Urine Floatation
Meat Inspection
18
Clinical signs of _____________ are caused by L4 emergence, diarrhea without or without weight loss, general debility, weakness and cachexia, edema, intussusception and colic are seen.
Clinical signs of **Cyathostomins** are caused by L4 emergence, diarrhea without or without weight loss, general debility, weakness and cachexia, edema, intussusception and colic are seen.
18
The common name for Aelurostrongylus abstrusus is \_\_\_\_\_\_\_\_\_\_.
The common name for Aelurostrongylus abstrusus is **cat lungworm**.
19
Common name of Nematodirus spp is \_\_\_\_\_\_\_\_\_\_.
Common name of Nematodirus spp is **Long Neck Bankrupt Worm**.
20
\_\_\_\_\_\_\_\_\_\_\_\_\_ adults are slender white nemotodes found in the bronchi and trachea.
**Dictylococulus spp**adults are slender white nemotodes found in the bronchi and trachea.
21
Host of Dictyocaulus filarial
Goats and Sheep
21
Aberrent host of Parelaphostrongylus tenuis
Equine, Sheep and Goats
23
Treatment of Ancylostoma caninum
Treat pregnant bitches during pregnancy
Several treatments required to assure arrested stages treated
23
Common name of Ostertagia ostertagi is \_\_\_\_\_\_\_\_\_\_\_\_\_.
Common name of Ostertagia ostertagi is **Brown Stomach Worm**.
23
\_\_\_\_\_\_\_\_\_\_ egg contains L1 with slightly irregular exterior, can be seen with a fecal float
**Metastrongylus spp **egg contains L1 with slightly irregular exterior, can be seen with a fecal float
24
Stephanurus dentatus is distributed \_\_\_\_\_\_\_\_\_\_.
Stephanurus dentatus is distributed **worldwide**.
25
Filaroides (Osleurus) osler is distributed \_\_\_\_\_\_\_\_\_\_\_.
Filaroides (Osleurus) osler is distributed **worldwide**.
26
Diagnosis of Chabertia ovina
Fecal Float
26
Host of Dictocaulus viviparous
Cattle
26
PPP of Metastrongylus spp is \_\_\_\_\_\_\_\_\_.
PPP of Metastrongylus spp is **4 weeks**.
27
\_\_\_\_\_\_\_\_\_\_ and ________ adults have 3 pairs of teeth.
**A. caninum** and **A. tubaeforme** adults have 3 pairs of teeth.
28
\_\_\_\_\_\_\_\_\_\_\_ is the most common nematode of weaning stage cattle with Ostertagia.
**Cooperia spp **is the most common nematode of weaning stage cattle with Ostertagia.
29
Adult ___________ are found in kidneys, walls of ureter and in capsules in the peri-renal fat.
Adult ** Stephanurus dentatus ** are found in kidneys, walls of ureter and in capsules in the peri-renal fat.
29
In the aberrant host __________ larvae invade the nervous tissue resulting in neurologic disease.
In the aberrant host **Parelaphostrongylus tenuis** larvae invade the nervous tissue resulting in neurologic disease.
30
Clinical signs of ___________ include anemia, bottle jaw and diarrhea.
Clinical signs of **Bunostomum spp** include anemia, bottle jaw and diarrhea.
31
Syngamus trachea
32
\_\_\_\_\_\_\_\_\_\_\_\_ egg is oval thin-shelled and 60x40um.
**Ancylostomatoidea** egg is oval thin-shelled and 60x40um.
33
Dictylocoulous spp are distributed \_\_\_\_\_\_\_\_\_\_.
Dictylocoulous spp are distributed** worldwide**.
34
Host of Syngamus trachea
Avian
34
Common name of Teladorsagia circumcincta is \_\_\_\_\_\_\_\_\_\_\_\_\_\_.
Common name of Teladorsagia circumcincta is **Brown Stomach Worm**.
34
Haemonchus placei is distributed throughout _______ and \_\_\_\_\_\_\_\_\_\_\_\_\_.
Haemonchus placei is distributed throughout **tropical** and **subtropical regions**.
34
\_\_\_\_\_\_\_\_\_\_\_ egg is large, 130um with a distinctive cell inside.
**Nematodirus spp **egg is large, 130um with a distinctive cell inside.
34
\_\_\_\_\_\_\_\_\_\_\_\_\_\_ adults are 1cm in length, slender and delicate, difficult to recover intact.
**Aelurostrongylus abstrusus** adults are 1cm in length, slender and delicate, difficult to recover intact.
35
Bunostomum spp is distributed in \_\_\_\_\_\_\_\_\_\_\_.
Bunostomum spp is distributed in **cooler climates**.
35
Chabertia ovina is most pathogenic in _______ and \_\_\_\_\_\_\_\_\_\_.
Chabertia ovina is most pathogenic in **sheep** and **goats**.
35
Host of Dictyocaulus arnfieldi
Donkey
35
Aelurostrongylus abstrusus is distributed \_\_\_\_\_\_\_\_.
Aelurostrongylus abstrusus is distributed **worldwide**
36
\_\_\_\_\_\_\_\_\_\_\_ egg is 70-100 x 43-36um, has a thick operculum at both ends.
**Syngamus trachea** egg is 70-100 x 43-36um, has a thick operculum at both ends.
36
Life cycle of Metastrongylus spp
Egg containing L1 pass up trachea, swallowed and passed in feces
Egg ingested by earthworm
L1 develop to L3 in earthworm
Pig consumes earthworm with L3
L3 released, migrate to mesenteric lymph node and molts
Migrate via lymphatic route to lungs
37
Common name for Haemonchus contortus is the \_\_\_\_\_\_\_\_\_\_\_\_\_.
Common name for Haemonchus contortus is the **Barber pole worm**.
38
Common name of Muellerius spp is \_\_\_\_\_\_\_\_\_\_\_.
Common name of Muellerius spp is **Lung worm**.
39
Acute disease of __________ occurs when older dogs are exposed to high levels. Clinical signs include anemia, diarrhea and lassitude.
Acute disease of **Ancylostoma caninum **occurs when older dogs are exposed to high levels. Clinical signs include anemia, diarrhea and lassitude.
39
Life Cycle of Cyathostomins
L3 enter large intestinal wall
After 1-2 mos and molting an L4 emerges
40
Diagnosis of Ostertagia ostertagi
Clinical signs
Seasonality
Grazing history
Fecal egg count
L3 identification
Necropsy
41
Nematodirus spp is distributed throughout \_\_\_\_\_\_\_\_\_\_\_.
Nematodirus spp is distributed throughout **temperate areas**.
42
Egg to L3 of Ancylostoma caninum occurs in \_\_\_\_\_\_\_\_\_\_.
Egg to L3 of Ancylostoma caninum occurs in **\< 1 week**.
43
Metastrongylus spp is distributed \_\_\_\_\_\_\_\_\_\_.
Metastrongylus spp is distributed **Worldwide**.
45
Clinical signs of ____________ include anorexia, enteritis, hyperplasia and ulcerations.
Clinical signs of **Oesophagostomum spp **include anorexia, enteritis, hyperplasia and ulcerations.
46
Clinical signs of _______ are the same as A. caninum but less severe.
Clinical signs of **Ancylostoma tubaeforme** are the same as A. caninum but less severe.
47
Host of Oesophagostomum spp
Swine, Bovine, Ovine, Caprine
47
Host of Ostertagia ostertagi
Cattle
48
Larvae of _________ are the most pathogenic of the large strongyles
Larvae of **Strongylus vulgaris** are the most pathogenic of the large strongyles
49
\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ adult is small, hairlike greyish, resides in tracheobronchial nodules in trachiobronchial bifurcation
**Filaroides (Osleurus) osleri **adult is small, hairlike greyish, resides in tracheobronchial nodules in trachiobronchial bifurcation
50
Life cycle of Aelurostrongylus abstrusus
L3 infective, ingested and enter mucosa of intestine
Pass via blood to lungs
Egg with L1 in nests in lung parenchyma
Eggs hatch releasing L1 and coughed up swallowed and passed in feces
L1 to L3 in IH
PH consume IH
FH consume IH or PH
52
Chronic disease of ___________ can occur without clinical signs, but when present weight loss, poor hair coat and loss of appetite can be seen.
Chronic disease of **Ancylostoma caninum** can occur without clinical signs, but when present weight loss, poor hair coat and loss of appetite can be seen.
54
PPP of Cyathostomin is \_\_\_\_\_\_\_\_\_\_\_\_.
PPP of Cyathostomin is** 1.5-4 months**.
56
Clinical signs of \_\_\_\_\_\_\_\_\_\_\_\_\_ are fever, anorexia, constipation and reddish urine.
Clinical signs of **Strongylus edentatus** are fever, anorexia, constipation and reddish urine.
57
Trichostrongylus spp are distributed \_\_\_\_\_\_\_\_\_\_
Trichostrongylus spp are distributed **worldwide**
58
Chabertia ovina is distributed throughout \_\_\_\_\_\_\_, ________ and \_\_\_\_\_\_\_\_\_.
Chabertia ovina is distributed throughout **Europe, Austrailia** and **Africa.**
58
Host of Dictylocoulus spp
Cattle, Sheep, Goats and Equine
59
Cooperia spp are distributed \_\_\_\_\_\_\_\_\_\_\_\_.
Cooperia spp are distributed **worldwide**.
60
Host of Cooperia spp
Cattle
60
Host of Mellerius spp
Sheep and Goats
62
Peracute disease of __________ occurs from transmamary infection and has clinical signs of anemia, diarrhea with partially digested blood and lassitude.
Peracute disease of **Ancylostoma caninum** occurs from transmamary infection and has clinical signs of anemia, diarrhea with partially digested blood and lassitude.
62
Dictyocaulus arnfieldi is pathogenic in __________ but does not reach patency
Dictyocaulus arnfieldi is pathogenic in **Horses **but does not reach patency
62
Host of Nematodirus spp
Sheep
64
PPP of Syngamus trachea is \_\_\_\_\_\_\_\_\_\_\_\_\_.
PPP of Syngamus trachea is **18-21 days**.
65
L3 of ____________ overwinter in pasture.
L3 of **Trichostrongylus spp** overwinter in pasture.
67
\_\_\_\_\_\_\_\_\_\_ adult is 3-4 cm long has a globular mouth capsule with one large tooth with bifid tip at base of mouth capsule and two smaller subventral teeth.
**Strongylus equinus** adult is 3-4 cm long has a globular mouth capsule with one large tooth with bifid tip at base of mouth capsule and two smaller subventral teeth.
68
Ancylostomatoidea
Hookworms
70
PPP of Strongylus equinus is \_\_\_\_\_\_\_\_\_\_\_.
PPP of Strongylus equinus is **9 months**.
71
Common names for __________ are Nodular Worm and Pimply worm.
Common names for **Oesophagostomum spp** are Nodular Worm and Pimply worm.
72
Host of Ancylostoma braziliense
Dogs and Cats
73
Lambs contaminate pasture, L3 not available for consumption until the following grazing season
Nematodirus battus
75
\_\_\_\_\_\_\_\_\_\_\_ are considered the most important equine parasite.
**Cyathostomin** are considered the most important equine parasite.
76
Nematodirus battus causes _____________ disease.
Nematodirus battus causes **lamb to lamb** disease.
78
\_\_\_\_\_\_\_\_\_\_\_ is the origin of infection of Cyathostomins for the foal.
**Mare** is the origin of infection of Cyathostomins for the foal.
79
Host of Teladorsagia circumcinta
Sheep and Goats
81
PPP of Oesophagostomum spp is \_\_\_\_\_\_\_\_.
PPP of Oesophagostomum spp is **3 weeks**.
\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_
Varies by species!
81
Filaroides (Oslerus) osleri may be misdiagnosed as \_\_\_\_\_\_\_\_\_\_\_\_.
Filaroides (Oslerus) osleri may be misdiagnosed as **Kennel Cough**.
83
\_\_\_\_\_\_\_\_\_\_\_ is the infective stage.
**L3 **is the infective stage.
84
PPP of Stephanurus dentatus is \_\_\_\_\_\_\_\_\_.
PPP of Stephanurus dentatus is **6-9 months**.
86
Prevetion of Ancyolstoma caninum
Hygiene
87
PPP of Ostertagia ostertagi is \_\_\_\_\_\_\_\_.
PPP of Ostertagia ostertagi is **21 days**.
88
Adult female of __________ identified because of the white ovaries wind spirally around the blood filled intestine, found in the abomasum.
Adult female of **Haemonchus contortus** identified because of the white ovaries wind spirally around the blood filled intestine, found in the abomasum.
90
Host of Ancylostoma tubaeforme
Cats
91
Hyostrongylus rubidus is distributed \_\_\_\_\_\_\_\_\_.
Hyostrongylus rubidus is distributed **worldwide**.
92
In __________ the immune system reaction results in nodules that increase with consecutive infection.
In **Oesophagostomum spp **the immune system reaction results in nodules that increase with consecutive infection.
94
Bunostomum spp affects __________ animals more commonly.
Bunostomum spp affects** younger** animals more commonly.
95
H:Equine
Adults are plug feeders
Larval stages migrate through organs with migration patterns
Adults more pathogenic
Once considered a critical parasite
Subfamily: Strongylinae
Large Strongyles
96
Type I Ostertagia
Emergence of immature adults over extended period of time.
Morbidity high, mortality rare
97
\_\_\_\_\_\_\_\_\_\_\_\_\_ is the most zoonotic hookworm.
**Ancylostoma braziliense **is the most zoonotic hookworm.
99
Syngamus trachea is distributed \_\_\_\_\_\_\_\_\_\_\_.
Syngamus trachea is distributed **Worldwide**.
101
PPP of Ancylotomatoidea is \_\_\_\_\_\_\_\_\_\_\_.
PPP of Ancylotomatoidea is **2-3 weeks**.
102
Hosts of Chabertia ovia
Ovine, Caprine, Bovine
103
Host of Aelurostrongylus abstrusus
Cats
104
LIfe Cycle of Filaroides (Osleurus) osleri
L1 infective
All stages develop in respiratory tract
Larvae hatch before being expelled in sputum or coughed up and swallowed and passed in feces
Infection by regurgitated stomaach contents
L1 can be passed directly from bitches to pups via saliva
105
Nematodirus spp
106
\_\_\_\_\_\_\_\_\_ adult found in the small intestine, female has a spine on the tip of the tail.
**Nematodirus spp**. adult found in the small intestine, female has a spine on the tip of the tail.
107
PPP of Filaroides (Osleurus) osleri is \_\_\_\_\_\_\_\_\_\_.
PPP of Filaroides (Osleurus) osleri is **10-18weeks**.
109
Hosts of Bunostomum spp
Bovine and Ovine
111
Most common route of infection for Bunostomum spp is \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_.
Most common route of infection for Bunostomum spp is **percutaneously**.
112
Life Cycle of Muellerius spp
L1 found in feces and infect IH to develop to L3
Sheep infected by ingesting IH
L3 travel to the lungs by lymphatic vascular route
Molt in mesenteric lymph node and lungs
113
Host for Ancylostoma caninum
Dogs
115
PPP of Strongylus vulgaris is \_\_\_\_\_\_\_\_\_\_.
PPP of Strongylus vulgaris is **6 months**.
117
Prevention of Oesophagostomum spp
Avoid unhygenic conditions
118
\_\_\_\_\_\_\_\_\_\_\_ adults are less than 2cm and have a rectangular or square mouth capsule.
**Cyathostomin** adults are less than 2cm and have a rectangular or square mouth capsule.
119
\_\_\_\_\_\_\_ of Filaroides osleri is found in the feces or sputum.
**L1 **of Filaroides osleri is found in the feces or sputum.
121
Live in the abomasum of ruminants, stomach of non-ruminants or the small intestine
Have Direct life cycle
L3 infective stage
Typical strongylid egg
Culture L3 required for differntiation
Most damage to young grazing animals
Immunity develop after exposure
L3 left on pasture
Feces type aids in survival of parasites
PPR
Trichostrongyloidea Superfamily
122
Host of Haemonchus placei
Bovine
123
PPP of Muellerius spp is \_\_\_\_\_\_\_\_.
PPP of Muellerius spp is **6-10 weeks**.
125
Clinical signs of _________ can occur prior to finding eggs in the fecal float.
Clinical signs of** Chabertia ovina** can occur prior to finding eggs in the fecal float.
126
Dictyocaulus arnfieldi
127
Host of Stephanurus dentatus
Swine
128
Teladorsagia circumcincta is distributed \_\_\_\_\_\_\_\_\_\_.
Teladorsagia circumcincta is distributed **worldwide**.
129
\_\_\_\_\_\_\_\_ adults are 3-4cm have globular mouth capsule with no teeth.
**Strongylus endentatus** adults are 3-4cm have globular mouth capsule with no teeth.
131
Haemonchus contortus is distributed \_\_\_\_\_\_\_\_\_\_\_.
Haemonchus contortus is distributed **Worldwide**.
132
Paratenic host of Stephanurus dentatus
Earthworm
134
In ___________ infections hematology would show increased beta-globulins, decreased albumin and increased WBC
In **Cyathostomin **infections hematology would show increased beta-globulins, decreased albumin and increased WBC
135
Host of Metastrongylus spp
Swine
137
Modes of infection of Ancylostoma caninum
Percutaneous, Per os, Paratenic host, Transmammary, Transplacental
139
\_\_\_\_\_\_\_\_\_\_ adult is 1-2 cm have globular mouth capsule and two dorsal ear shaped teeth.
**Strongylus vulgaris** adult is 1-2 cm have globular mouth capsule and two dorsal ear shaped teeth.
140
Hosts of Haemonchus controtus
Sheep and Goats
141
Common name of Metastrongylus spp is \_\_\_\_\_\_\_\_\_.
Common name of Metastrongylus spp is **Pig Lungworm**.
143
Distribution of Ancylostoma tubaeforme is in\_\_\_\_\_\_\_\_\_.
Distribution of Ancylostoma tubaeforme is in** warm climates**.
144
Commoon name of Filaroides (Osleurus) osleri is the \_\_\_\_\_\_\_\_
Commoon name of Filaroides (Osleurus) osleri is the **tracheal worm**
146
\_\_\_\_\_\_\_\_\_\_ adult has 1 pair of teeth.
**Ancylostoma braziliense** adult has 1 pair of teeth.
147
Larve of **\_\_\_\_\_\_\_** are more pathogenic than adults
Larve of **Cyathostomins** are more pathogenic than adults
149
\_\_\_\_\_\_\_\_\_\_\_\_ can occur at percutaneous infection sites.
**Eczema** can occur at percutaneous infection sites.
150
Host of Filaroides (Osleurus) osleri
Dogs
151
PH of Aelurostrongylus abstrusus
Birds, Rodents, Frogs
153
Egg to L3 of Oesophagostomum occurs in less than \_\_\_\_\_\_\_\_\_.
Egg to L3 of Oesophagostomum occurs in less than **10days**.
154
Infect the respiratory, vascular and nervous systems of mammals
Indirect life cycles involving a snail or slug
L1 diagnostic stage
Baermann used to diagnose
Metastrongyloidea subfamily
155
\_\_\_\_\_\_\_\_\_\_\_\_ creates small, spherical nodular lesions near or on the lung surface the look like "lead shot"
**Muellerius spp ** creates small, spherical nodular lesions near or on the lung surface the look like "lead shot"
156
Diagnosis of Dictylocoulus spp
L1 in feces with Baermann
Egg recovered by Broncho-alveolar lavage
157
Clinical sign of ______________ is occasional diarrhea.
Clinical sign of **Ancylostoma braziliense** is occasional diarrhea.
160
PPP of Bunostomum spp is \_\_\_\_\_\_\_\_\_.
PPP of Bunostomum spp is **2 months**.
161
Ancylostoma braziliense is distributed in \_\_\_\_\_\_\_\_\_\_.
Ancylostoma braziliense is distributed in **warm climates**.
162
Common names of ____________ include Lungworm, Husk, Hoose and Verminous Pneumonia.
Common names of **Dictylocoulus spp** include Lungworm, Husk, Hoose and Verminous Pneumonia.
163
\_\_\_\_\_\_\_\_\_\_\_ adult is slender, white up to 6cm long and found in the small bronchi and bronchioles
**Metastrongylus spp** adult is slender, white up to 6cm long and found in the small bronchi and bronchioles
164
PPP of Nematodirus spp is \_\_\_\_\_\_\_\_\_.
PPP of Nematodirus spp is **3 weeks**.
165
Souther hookworm is the common name for \_\_\_\_\_\_\_\_\_\_\_\_\_.
Souther hookworm is the common name for **Ancylostoma caninum**.
166
\_\_\_\_\_\_\_\_\_\_\_\_ causes a reduction in functional gastric glands, a thickened hyperplastic gastric mucosa described as "Moroccan Leather"
**Ostertagia ostertagi** causes a reduction in functional gastric glands, a thickened hyperplastic gastric mucosa described as "Moroccan Leather"
167
Host specific
Cause Cutaneous Larval Migrations in humans
Adults 1-2 cm in length, large buccal capsule with modifications and are blood feeders
Eggs are thin-shelled and oval
L4 has "Hook" posture
Young animals are more susceptible
Ancylostomatoidea
"Hookworms"
168
Clinical signs of ____________ include anemia, diarrhea, and interdigital dermatits with subsequent percutaneous infections
Clinical signs of **Uncinaria stenocephala** include anemia, diarrhea, and interdigital dermatits with subsequent percutaneous infections
169
IH of Muellerius spp
Molluscs
170
Hyostrongylus rubidus
171
Paratenic host of Syngamus trachea
Earthworm
172
L3 of ________ do not survive well on pasture
L3 of **Teladorsagia circumcincta** do not survive well on pasture
173
Diagnosis of Syngamus trachea
Clinical signs
Fecal Float
Necropsy
174
Muellerius spp is distributed \_\_\_\_\_\_\_\_.
Muellerius spp is distributed **worldwide**.
175
IH of Parelaphostrongylus tenuis
Molluscs
176
PPP of Strongylus edentatus is \_\_\_\_\_\_\_\_\_.
PPP of Strongylus edentatus is **11 months**.
177
Strongylus vulgaris is considered the __________ pathogenic.
Strongylus vulgaris is considered the **least** pathogenic.
178
Host of Parelaphostrongylus tenuis
White tailed deer
179
Common name of __________ is the Large Mouthed Bowel Worm.
Common name of** Chabertia ovina** is the Large Mouthed Bowel Worm.
180
IH of Metastrongylus spp
Earthworm
181
\_\_\_\_\_\_\_\_\_\_\_\_\_ adults are red in color and found in permanent copulation forming a "y"
**Syngamus trachea** adults are red in color and found in permanent copulation forming a "y"
182
Host of Trichostrongylus spp
Cattle, Sheep, Goats, Horses
183
Dictyocaulus spp
184
PPP of Dictyocaulus spp is \_\_\_\_\_\_\_\_\_.
PPP of Dictyocaulus spp is **3-5 weeks**.
185
Ostertagia ostertagi is distributed \_\_\_\_\_\_\_\_\_\_\_.
Ostertagia ostertagi is distributed **worldwide**
