Multiplication of micro-organisms in the blood, often caused by bacteria. Multiplies massively in the bloodstream. Very serious condition. More usually however the cause is now recognizer as Viral hemorrhagic septicemia (VHS)
Typically infects Catfish, Livebearers, Goldfish and Trout. Unless caught & treated in early stages, high losses must be expected.
DNA vaccines for aquacultured fish.
From Rev. sci.tech. Off.int.Epiz., 24 (1), 201-213
N. Lorenzen & S.E.LaPatra
Note:- This reference deals with the DNA of vaccines for this disease.
However as there are many causative organisms it can be useful to look at the
different DNA’s that have been used, and how they are created.