Fish diseases
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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