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Which tumor metastasizes in fish?
Aflatoxin, Aspergillus flavus
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What causes superficial lesions in carp?
Carp Pox (Herpes)
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Which layer of the skin has the greatest mitotic activity?
Outter Epidermis
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What causes a loss of scales and color in trout?
Strawberry Dz
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Pale Gills=
- Anemia
- Epithelial Hypoplasia
- Vascular Shutdown (bacterial gill Dz)
-
Dark Gills=
- High Blood Flow
- Infarction
- Resp Dz
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Excess mucous on the gills is caused by:
-
Respiratory Distress Syndrome=
- Low [O2] conditions
- More E is expended trying to extract O2, than that which is available
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Foaming of water is an indication of…
Mucous Production due to parasites or bacteria
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What gill disease/disorder is commonly seen in intensively reared fish?
Opercular Erosion
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Fish version of Mast Cells=
Eosinophillic Granular Cells
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Chloride Cells=
Salt Secreting cells within the mucoid epidermis of gill filaments
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What damages Chloride Cells?
-
The type of gill lesion is an indication of…
Clinical Response
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Pantothenic Acid Deficiency =
Hyperplasia of distal 1/3 of gill
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Notifiable/Reportable Dz’s (7):
- Epizootic Haemotopoietic Necrosis
- Infectious Haemotopoietic Necrosis
- Spring Viremia of Carp
- Viral Hemorrhagic Septicemia
- Oncorhynchus Masous Virus
- Infectious Salmon Anemia
- WHIRLING DZ
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What “Low temp Dz” is seen in the Great Lakes?
Viral Hemorrhagic Septicemia
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What low temp dz primarily affects Carp?
- Spring Viremia of Carp
- (Rhabdovirus carpio)
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What tends to be a secondary invader of Koi Herpesvirus?
Columnarius Dz
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Which virus causes NONpathologic cytomegaly & skin lesions, but pathologic secondary infections?
Lymphocytosis
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Alpha virus causes….
- Pancreas Dz in Salmon
- Sleeping Dz in Trout
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What causes degeneration of the brain and retina?
VER, or Nodovirus
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Which virus causes degeneration of the pancreas, and cardiomyopathy (which leads to illness)
Pancreas/Sleeping Dz
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What causes Viral Encephalopathy and Retinopathy?
Nodovirus
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Cardiomyopathy Syndrom is characterized by:
- Ruptured Atrium (spongy)
- Hemorrhages
- Inflammtion (spongy)
-
Goiter is often seen in fish located…
Great Lakes
-
White Spot/Ich is caused by…
Ichtyophthirius multifilis
-
Flashing is a C/S of…
Ich
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What Pathogen is found within the cart of young fish?
- Myxobolus cerebralis, Whirling Dz
- (REPORTABLE)
-
What parasite disease leads to death from anemia? Pathogens?
- Proliferative Kidney Dz
- Tetra bryosalmonae
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