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VPARA 412a (Veterinary Helminthology) > Order Digenea: Genus Fascioloides > Flashcards

Order Digenea: Genus Fascioloides Flashcards

(52 cards)

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1
Q

Common name of Fascioloides

A

Large American liver fluke

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2
Q

Fascioloides “large american liver fluke”

A

• Large (2-10 cm), oval, thick flesh-colored fluke
• No distinct anterior cone

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3
Q

Final Host of Fascioloides magna

A

white-tailed deer

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4
Q

Intermediate Host of Fascioloides magna

A

Lymnaea sp.
Fossaria sp.
Siagnocola sp.

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5
Q

Predilection site of Fascioloides magna

A

Liver tissue and/or bile duct

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6
Q

Life Cycle of Fasciola spp.

A

Ruminant Host- EGG- egg containing MIRACIDIUM- miracidium penetrating small- SPOROCYST- REDIA- CERCARIA- METACERCARIA

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7
Q

Forms of the Disease

A

Acute and Chronic

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8
Q

ACUTE forms of the Disease

A
  • less common
  • liver necrosis and hemorrhage
  • associated with BLACK DISEASE which is caused by CLOSTRIDIUM NOYVI
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9
Q

Chronic form of disease

A
  • most common
  • hepatic fibrosis and hyperplastic cholangitis
  • pipe stem liver
  • hazel nut sized cysts
  • bottle jaw
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10
Q

Diagnosis of Fasciola spp.

A
  • fecal exam
  • skin test
  • ELISA
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11
Q

drug of choice for fasciola spp.

A

Triclabendazole

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12
Q

-large, (2-10 cm), oval, thick flesh-colored fluke

A

Fascioloides “large american liver fluke”

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13
Q

no distinct anterior cone

A

Fascioloides “large american liver fluke”

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14
Q

Final host is white tailed deer are the normal definitive host although other ruminants may be affected

A

Fascioloides magna

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15
Q

Distribution of Fascioloides magna

A

North and Central America: Europe

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16
Q

Vet. significance of Fascioloides magma

A

low in sheep; may be high in cattle

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17
Q

Life cycle similar with Fasciola

A

Fasciolopsis

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18
Q

9-13 wks prepatent period

A

Fasciolopsis

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19
Q

Large (3-7 cm)

A

Fasciolopsis

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20
Q

infection acquired by ingestion of encysted MC in tubers of water plants like water chestnut which are eaten raw by animals

A

Fasciolopsis

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21
Q

scientific name of water chestnut

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A

Eliocharis tuberosa

22
Q

final host are man and pigs

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A

fasciolopsis buski

23
Q

Intermediate host of Fasciolopsis buski

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A

Planorbis sp., Segmentina sp.

24
Q

predilection site of Fasciolopsis buski

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A

small intestine

25
Distribution of Fasciolopsis buski
South and Southeast Asia
26
Pathology of Fasciolopsis buski
Diarrhea, intestinal ulceration, emaciation, emaciation and anemia in humans
27
less pathogenic in dog and pig
Fasciolopsis buski
28
oral sucker, ventral sucker (terminal end, maggot appearance)
Paramphistomoidea (amphistomes)
29
common name of paramphistomoidea (amphistomes)
conical flukes or stomach flukes
30
pear-shaped, red or pink in color.
paramphistomes
31
Paramphistomoidea (Amphistomes)
° also known as PARAMPHISTOMES, CONICAL FLUKES, or STOMACH FLUKES ° PEAR-SHAPED, RED or PINK in color ° Suckers are situated at each extremity ° PHARYNX are ABSENT ° with SIMPLE CECA
32
with ventral pouch, body not divided into 2 parts
Gastrothylacidae
33
without ventral pouch, body not divided into 2 parts
Paramphistomidae
34
without ventral pouch, body divide into 2 parts
gastrodiscidae
35
Genera of Family Gastrothylacidae
• Fischoederius • Carmyerius • Gastrothylax • Velasquezotroma
36
Fischoederius in rumen of cattle and carabao
F. elongatus F. cobboldi
37
Carmyerius in rumen
C. synethes C.gregarius
38
Gastrothylax in rumen
G. crumenifer
39
Velasquezotroma in rumen of buffaloes
V. brevisacus
40
Genera of Family Paramphistomidae
• Paramphistomum • Calicophoron • Gigantocotyle • Cotylophoron • Ceylonocotyle/Orthocoelium
41
Paramphistomum in rumen and reticulum
P. cervi
42
Calicophoron in rumen
C. calicophorum C. crassium
43
Gigantocotyle in liver of cattle and carabao
G. batycotyle
44
Gigantocotyle in bile duct, gallbladder, and duodenum of cattle and buffalo
G. explanatum
45
Cotylophoron in rumen and reticulum
C. cotylophorum
46
Genera of Family Gastrodiscidae
• Gastrodiscus • Homologaster
47
Genera of Family Gastrodiscidae
• Gastrodiscus • Homologaster
48
Host of Gastrodiscidae
mainly found in ruminants but may also be present in pigs and horses
49
Intermediate Host of Gastrodiscidae
Planorbis sp., Bulinus sp., Galba sp., Lymnaea sp.
50
Site of Gastrodiscidae
rumen and reticulum
51
Life Cycle of Gastrodiscidae
generally similar patterned with FASCIOLA, but the prepatent period is only 7-10 weeks and the entire life cycles takes 14-16 weeks
52
Treatment of Gastrodiscidae
Albendazole

VPARA 412a (Veterinary Helminthology) (9 decks)

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