Photographs by Dr. Panos Varvarigos ©

Fish Disease Diagnosis and Control in the Mediterranean Marine Aquaculture
Lecture notes by Dr. Panos Varvarigos presented at the advanced course for professionals organised by CIHEAM-IAMZ, University of Santiago de Compostela, Spain (13-24 September 2004).


Man-made diseases and disorders.

Excessive visceral fat deposits and pronounced lipoid degeneration of the liver in an over-fed sea bream grower (foci and larger areas of the liver parenchyma have been replaced by fatty tissue.)

Excessive visceral fat and pale, fatty liver result from overfeeding with high energy diets, especially during the cool seasons. Apart from inferior quality flesh, such fat sea bass are often immuno-compromised and are prone to suffer epizootics, such as vibriosis.

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Author: Dr. Panos Varvarigos
Freelance Veterinarian - Fish Pathologist, Athens, Greece.


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Every effort has been made to ensure that the information is accurate until the date of last editing. It is based upon the accumulated personal experience of applied veterinary work. The author cannot take responsibility for incorrect interpretation or any resulting consequences. The contents may be used as an educational guide and are definitely not meant to become a stand-alone diagnostic tool or operations manual.


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