Monday, September 27, 2010

White spot, a lethal disease and very common

White spot a parasitic infection that affects virtually all species of fish, it has a complex life cycle that has a major bearing on the treatment methods used. The infective agents are know as tomites, the tomites are released from the fish by punching out through the skin. With each cycle of the parasite, about a 1000 tomites are produced and swim off to locate new hosts. Numbers of the parasite increase dramatically, treating the infection is only possible during the time when the tomites are in the free swimming stage. Read more...


UK Tilapia industry hit by new disease

In the UK there are around 12 recirculation farms now in operation specializing in the production of  Tilapia, (Tilapia niloticus), which is considered a perfect species for aquaculture. However its was noticed that low levels of mortality in fry, was accounting for losses of up to 20 percent. After investigation and postmortem by Cefas the bacterial disease was still not identified, but was considered to be a pathogen from the genus Francisella. Read more...
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