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VETERINARY PARASITOLOGY > FISH PARASITES > Flashcards

FISH PARASITES Flashcards

1
Q

Define Parasitology

A

Parasitology is the study of parasites, their host , and the relationship between them , and its way of life.

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2
Q

Ciliophora is the Phylum. It has two main characteristic which is Sessilina and Mobilina. What are the genus for them?

A

Sessilina : Epistylis
Mobilina : Ichthyopthirius , trichodina and Chilodonella

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3
Q

Characteristic of Epistylis?

A

Stalked Protozoa
Fluffy growth
Attachment substrate
Deformation

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4
Q

Characteristic of Icthyopthirius?

A

Non stalked Protozoa
Horse shoe like macronucleus
Obligate parasite
“Ich “ Spot disease

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5
Q

Characteristic of Trichodina

A

UFO like
Round shaped denticles
Non-stalked protozoa
Milky appearance
Attachment substrate

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6
Q

Characteristic of Chilodonella.

A

Non-stalked Protozoa
Leaf shaped
Ventral w cilia
Tolerate wide range of temperature
Found in weakened fish

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7
Q

What’s under Ciliophora?

A

Epistylis
Icthyopthirius
Trichodina
Chilodonella

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8
Q

What are Sarcomastigophora?

A

Sarcomastigophora are protozoans with characteristic of one or more whip-like organelles used for locomotion and sensation.

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9
Q

What are Ciliophora?

A

Ciliophora are protozoans with presence of hair like organelles called cilia, variously used in swimming, crawling, attachment, feeding and sensation.

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10
Q

What’s under Sarcomastigophora?

A

1 Flagellum - Trypanosoma
2 Flagellum - Cryptobiidae, Bodoniidae

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11
Q

What’s characteristic of Trypanosoma?

A

Have single flagellum along margin

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12
Q

What’s characteristic of Cryptobia and Icthyobodo?

A

Cryptobia - Subtriangular, have flagella at both ends, can cause black striped syndrome in fish, infest fish gills and skin

Icthyobodo - is ovoid, as flagellar pocket at body margin, Costiasis

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13
Q

What is Dinoflagellata characteristics?

A

It posses 2 dissimilar flagella
Lives in aquatic environment
Cause Velvet disease or Gold Dust Disease

It can use chloroplast in dormant state but can depend on host in full blown infestation.

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14
Q

What’s under Dinoflagellata?

A

Oodinium
Pfiesteria

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15
Q

Genus that cause disease in Fresh water velvet disease, Brackish and Salt Water?

A

Fresh water velvet disease - Piscinoodinium

Brackisn and Saltwater - Amyloodinium, Crepidoodinium.

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16
Q

What’s under Cnidaria?

A

Myxobolus and Henneguya

17
Q

What’s Myxobolus?

A

It’s a myxosporean parasite of salmonids
Cause Whirling Disease
C/S - Whitish cyst with milkish substance
Intermediate host is Turbifex turbifex

18
Q

What’s Henneguya?

A

It’s caused by myxosporean parasite. A metazoan. Affect salmonids.
Cause nodular disease in fish
Cause fish to have milky flesh or tapioca disease, havin a raised whitish nodular lesion.
Affect skin and gill

19
Q

What’s under Nemahelminthes?

A

Anisakis
Eustrongyloides

20
Q

What is Anisakis and Eustrongylides?

A

They are under Nemahelminthes.

Anisakis cause fish to have “wasting” effect, it is nutrient rob, adult is at GIT.

Eustrongylides , has worm track, cause physical pressure n organs and abdominal distension.

21
Q

What is Acanthocephala?

A

It is spiny-head worm, Nutrient rob, absorb nutrient through body surface, dosen’t have GIT

22
Q

What’s under Platyhelminthes?

A

Cestoda and Trematoda

23
Q

What’s under Trematoda?

A

Monogenea - Dactylogyrus, Gyrodactylus

Digenea - Sanguinicola

24
Q

Differences between Dactylogyrus vs Gyrodactylus?

A

Dactylogyrus - Affect gill, it is oviparous, have 4 eyespot , habe 12-14 hooks

Gyrodactylus - affect skin, it is viviparous , has no eyespot, have 16 hooks

25
Q

What’s the characteristic of Digenea?

A

Digenea usually found in GIT.
Sanguinicola IM host are usually host snail and worm
Sanguinicola doesn’t involve metacercaria .

26
Q

What’s the agent for White grub, Black grub and Yellow grub? These are the species that cause metacercariea infestation.

A

White grub - Posthodiplostonum & Balbophorus

Black grub - Uvulifer & Crassiphiala

Yellow Grub - Cilinostomum

27
Q

What are the Annelids?

A

Leech , a segmented worm that have 33 segments.
It’s subclass is Hirudinea, has 2 sucker , one at each end

28
Q

What are the family of Annelids that parasitize fish?

A

Glossiphoniidae
Piscicolidae

29
Q

What are the list of Arthropoda?

A
  1. Argulus
  2. Caligus
  3. Ergasilus
  4. Cernaea
  5. Isopoda
30
Q

Common treatment for fish parasite?

A

Bath, Oral (feed medication), Injection

VETERINARY PARASITOLOGY (1 decks)

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