By Dr. Cedric Komar and Neil Wendover (Intervet Norbio Singapore) In the last three issues of the Intervet Aquatic Animal Health Newsletter, we presented a series of articles on tilapia diseases.
By LSU Ag Center. Although exposure to agricultural chemicals can occasionally result in direct fish mortality, most fish kills in recreational and farm ponds are the result of oxygen depletions.
By Charles C. Mischke, Mississippi State University; Joseph E. Morris Iowa State University and Ryan L. Lane, Southern Illinois University. Published by Southern Regional Aquaculture Center (SRAC).
By Shirley Baker, Denise Petty, Assistant Professor, Department of Fisheries and Aquatic Sciences; Ruth Francis-Floyd, Professor, College of Veterinary Medicine and Department of Fisheries and Aquatic Sciences, Institute of Food and Agricultural Sciences; Roy …
By Dave Cox, Fish Vet Group - Malachite green was something of a cure all for farmed fish. Used successfully for preventing and treating fungal infections and ectoparasites, such as those causing white spot disease, it was also effective in controlling interna…
By Schering-Plough Aquaculture - Enteric Redmouth Disease (ERM) is a bacterial disease of farmed rainbow trout and is endemic in Europe, North America and Chile. Losses from ERM due to mortality and poor growth can be high and the economic effects severe.
By Zilong Tan, Cedric Komar and William J. Enright and published by Intervet. The intensification of aquaculture and globalization of the seafood trade have led to remarkable developments in the aquaculture industry. Nevertheless, the industry, particularly As…
By Peter A. Bisson, Research Fish Biologist, Forestry Sciences Laboratory, USA and published by the U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station.
By Schering-Plough Aquaculture - Enteric Redmouth Disease (ERM) is a bacterial disease of farmed rainbow trout and is endemic, in most farming regions. Losses from ERM due to mortality and poor growth can be high and the economic effects severe. The disease ca…
By Intervet - Columnaris caused by Flavobacterium columnare (previously called Flexibacter Columnaris, Cytophaga columnare or Myxobacterium columnare) is one of the most common diseases in tilapia culture.
By the USDA's ARS - 2005 was a good year for immunology. That was the year officials at the U.S. Centers for Disease Control and Prevention declared the elimination of rubella in the United States.
By J. M. Hinshaw, North Carolina State University and published by the Southern Regional Agricultural Center and the Texas Aquaculture Extension Service - Over their current geographical range, yellow perch, Perca flavescens, are viewed variously as a sport fi…
By Solveig Nygaard, Fish Health and Environment Inc, and published in Intervet's Aquatic Animal Health Newsletter - Vibriosis, as caused by the bacteria Listonella (Vibrio) anguillarum, was the first of the known bacterial fish diseases.
Gyrodactylus is an interesting little parasite; species of which can be found infesting many different types of freshwater and marine fish as well as amphibians such as frogs, writes Pete Southgate, the Fish Vet Group.
By Solveig Nygaard, Fiskehelse og Milj AS, Veterinary Specialist - In the early years of the salmon industry in Norway, vaccination by hand was essentially the only method used to vaccinate fish. However, since then, a number of vaccination machines have appea…
By Brge Damsgrd, Jon-Erik Juell and Bjarne O. Braastad, Fiskeriforskning - The interest of fish welfare is increasing, both in Norway and internationally, leading to an increasing need for scientific knowledge about basic and applied questions related to how f…
By Martin Krkosek, Mark A. Lewis, Alexandra Morton, L. Neil Frazer, and John P. Volpe - The continuing decline of ocean fisheries and rise of global fish consumption has driven aquaculture growth by 10% annually over the last decade.
By Intervet - Fish vaccination during the last decade has proven to be highly effective in reducing economic losses caused by mortality and reduced growth.
By Dr. Marian McLoughlin MVB PhD MRCVS and published by Intervet - PD can cause enormous clinical (high mortality) and sub-clinical losses by reducing weight gain, creating higher feed conversion rates, giving smaller harvest weights and increasing the suscept…
By Ingunn Sommerset, Intervet Norbio AS, Bjorn Krossoy, Eirik Biering and Petter Frost - Vaccination plays an important role in large-scale commercial fish farming and has been a key reason for the success of salmon cultivation.
By Fiskeriforskning - Winter ulcer causes great economic loss to salmon farmers, especially in North Norway. Fish with sores have less appetite and at slaughter, sores or scars reduce quality. The disease is likely the result of both production and a bacterial…