fish diseases

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Protozoal Protozoal & & metazoal metazoal diseases diseases metazoal metazoal diseases diseases

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Fish diseases

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Page 1: Fish diseases

ProtozoalProtozoal & & metazoalmetazoal diseasesdiseasesmetazoalmetazoal diseasesdiseases

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I – ecto parasitic protozoal diseases

1. Ichthyrophythriasis (fresh water white spot disease).

2. Cryptocaryonosis (marine white spot disease)

3. Grayish patches disease.a – trichodiniasis.

b – chilodonellosis.

c – Ichthyobodiasis (blue slime disease).

4. Red sore disease(epistylis infection) (heteropolaria infection )( bacterial parasitic complex)

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1.1.Ichthyrophythriasis Ichthyrophythriasis (fresh water white spot disease).(fresh water white spot disease).

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22.Cryptocaryonosis .Cryptocaryonosis ((marine white spot disease)marine white spot disease)

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33.Grayish patches disease.Grayish patches disease

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A A -- trichodiniasistrichodiniasis

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B B -- chilodonellosischilodonellosis

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C C -- IchthyobodiasisIchthyobodiasis(blue slime disease)(blue slime disease)

(costiasis)(costiasis)

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44. Red sore disease. Red sore disease(epistylis infection) (heteropolaria infection)(epistylis infection) (heteropolaria infection)

((bacterial parasitic complex)bacterial parasitic complex)

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II – Ecto parasitic metazoal diseases

1. Monogenetic trematode:

a – dactylegyrosis (gill fluke).

b – garyrodactylosis (skin fluke).

2. leechiasis (leech infestation). 2. leechiasis (leech infestation).

3. Parasitic crustaceans (parasitic copepods):

a – ergasilosis.

b – arygulosis (fish lice).

c – learnoisis.

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1. Monogenetic trematode

•(A) dactylegyrosis (gill fluke).

•(B) & (C) garyrodactylosis (skin fluke).

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a – dactylegyrosis (gill fluke).

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b – garyrodactylosis (skin fluke)

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2. leechiasis (leech infestation).

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3. Parasitic crustaceans (parasitic copepods)a – ergasilosis (ergasilus disease)

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3. Parasitic crustaceans (parasitic copepods)b - arygulosis (fish lice)

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III – Endo parasitic protozoal diseasesA) Internal organs infection:

1. hexamitiasis.

2. Whirling disease (myxozoan infection) (black tail disease).

3. Henneguyan disease (henneguiasis) (milk flesh disease).

B) Blood infection:

a – exteracellular:1- Trypansomiasis.2- cryptobiasis.

b – interacellular:1- hemogregarniasis.2- babesiosomiasis.

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Internal organs infectionA) Internal organs infectionA)

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1. hexamitiasis.

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2. Whirling disease.(myxozoan infection) (black tail disease)

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3. Henneguyan disease(henneguiasis)

(milk flesh disease)

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Blood infectionB) Blood infectionB)

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exteracellular:–a

1- Trypansomiasis 2- Cryptobiasis.(Sleeping sickness disease)

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IV – Endo parasitic metazoal diseases

A) Digenetic trematode:

1. Diplostomum spp (eye fluke infection) (parasitic cataract)

2. Clinostomiasis (yellow grub disease).

3. Apophallus donicus 3. Apophallus donicus (black spot disease).

4. Blood fluke (sanguinicoliasis).

B) Cestodes:

C) Nematodes:

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Digenetic trematodeA)

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1. Diplostomum spathaceum (eye fluke infection)(parasitic cataract)

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2. Clinostomiasis(yellow grub disease)

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Mycotic diseasesMycotic diseasesMycotic diseasesMycotic diseases

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1 1 -- saprolegnosissaprolegnosis

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2 2 -- branchiomycosisbranchiomycosis

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Bacterial diseasesBacterial diseasesBacterial diseasesBacterial diseases

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1 1 –– fin rot diseasefin rot disease

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2 2 –– peduncle diseasepeduncle disease

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Bacterial hemorrhagic Bacterial hemorrhagic septicemiasepticemiasepticemiasepticemia

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Acute form Acute form

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Acute form (P.M)Acute form (P.M)

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Sub acute form (ascitis form)Sub acute form (ascitis form)

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Chronic form (ulcerative form)Chronic form (ulcerative form)

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Acute, sub acute & chronic form of Acute, sub acute & chronic form of bacterial hemorrhagic septicemiabacterial hemorrhagic septicemia

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T. BT. BT. BT. B

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Viral diseasesViral diseasesViral diseasesViral diseases

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Spring viremia of carp (S.V.P)Spring viremia of carp (S.V.P)

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Fish managementFish managementFish managementFish management

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Summer drying seasonSummer drying season

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Gas bubbles diseaseGas bubbles disease

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Ammonia toxicityAmmonia toxicity

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Asphyxia Asphyxia