Increasing consumer awareness to unsustainable aquaculture practices have made the prospect of organic aquaculture both environmentally and economically fruitful, but strict standards make this goal difficult to achieve. As the US considers by-passing this obs…
As well asbeing a farm thatproduces fish forfood, Aranyponty- in Magyar, theGolden Carp -communicatesthe importance ofmanaging Europeswetland heritageto society, bydiverse social andeducational activities, says a report in the CONSENSUS brochure: 'Towards Sust…
By Dr. Bronson K. Strickland, Assistant Extension Professor; Dr. Richard M. Kaminski, Professor; Dr. Aaron T. Pearse, MSU alumnus and now Wildlife Research Biologist and Dr. W. Daryl Jones, Assistant Extension Professor. Published by the Mississippi State Univ…
This is an extract of a Government Accountability Office (GAO) report to the Chairman of the Committee on Natural Resources of the House of Representatives. It discusses why multiple administrative and environmental issues need to be addressed in establishing …
By Christian Lckstdt, ADDCON Nordic AS. It is a well established fact in the field of aquaculture, that the use of antibiotic growth promoters as an in-feed additive for the diets of fish and shrimp may promote growth and feed conversion as well as improve sur…
By Saravanan, S., and Biju Sam Kamalam, J. - PG Scholars at CIFE, Mumbai - and and also John Stephen Sampath Kumar, Associate Professor, FC & RI, Tuticorin, India. Published in Shellfish News 25 Spring Summer 2008.
By Kenneth D Black and Averil M. Wilson from the Scottish Association for Marine Science, Oban, Scotland, published in Shellfish News 25 Spring Summer 2008.
The report is a project of the Environmental Law Institute (ELI) and The Ocean Foundation (TOF). Funding was provided bygrants from the Munson Foundation, the Keith Campbell Foundation for the Environment, and an anonymous donor. Theauthors of this report incl…
Exotic species of fish have been introduced into different natural environments either to be reared for food or to meet other needs such as horticulture, fishing or hunting for many years and now maintaining the biodiversity of the different water systems of t…
Our nations inland waters and coasts provide a wide variety of seafood with diverse health benefits, writes Jeff Silverstein, USDA Agriculural Research Service.
It has been over 30 years since the first introductions of the American signal crayfish (Pacifastacus leniusculus) into the U.K., which was originally brought into the country for aquaculture purposes, writes Paul Stebbing, Fish Health Inspectorate, Cefas Weym…
By Robin S. Waples, Northwest Fisheries Science Center, Seattle, Richard W. Zabel,Fish Ecology Division, Mark D. Scheuerell, Fish Ecology Division, and Beth L. Sanderson, Environmental Conservation Division, Seattle. Published in Molecular Ecology January 2008…
By J.E. Rensel of Rensel Associates Aquatic Sciences and J.R.M.Forster of Forster Consulting. Prepared for NOAA National Marine Fisheries Service, National Sea Grant College Programme, Occice of Oceanic and Atmospheric Research, Washington DC. A study to quant…
By Jane Jordan, TheFishSiteEditor. A University of Calgary algal ecologist has discovered a disturbing relationship between Didymosphenia geminata(or Didymo for short) and dams. This novel algae has a preference for clear water and could be potentially damagin…
By LaDon Swann, Department of Animal Sciences, IIlinois-Indiana Sea Grant Program , Purdue University. Published by Aquanic. This is the second half of a two part feature. If you would like to view part 1 please go to the link provided at the bottom of the art…
This guide from LaDon Swann, IIlinois-Indiana Sea Grant Program, Purdue University, helps fish farmers better understand the properties of water and how water quality effects fish culture.
By Jane Jordan, TheFishSite Editor. With reports of a significant escape of farmed salmon in Scotland's West Loch, Roag, hitting the headlines recently, the debate about the potential damage that escaped farmed fish can do to wild stocks has returned with veng…
By Jane Jordan, TheFishSite Editor. If fish farms are operated correctly, then the waste produced can actually benefit and stimulate life on the sea bed. Underwater research by the Institute of Marine Research (IMR) in Norway has shown that aquatic life on Fjo…
By Michael P. Masser, Auburn University and published by SRAC, Oklahoma Cooperative Extension. In the US the majority of cage culture is practiced in ponds or quarries.
By Philip Read, Aquaculture Extension Officer, Fish Conservation and Aquaculture, Port Stephens Research Centre. Published by New South Wales Department of Primary Industries, Primefact 628.
By Jane Jordan, Editor, TheFishSite. In land-based aquaculture, fish species are grown and fed in ponds or tanks. The residual effluent is then released directly into the environment with little or no treatment. This effluent is rich in nutrients, which at inc…
By Louisiana Department of Environmental Quality - Chapter 7 of the Louisiana Crawfish Production Manual. Poor water quality that persists for days and weeks isdetrimental to crawfish production.
By Fiskeriforskning - Water quality can be a limiting factor in achieving optimal growth and welfare of farmedcod. Fiskeriforskning has set focus on how water quality can affect cod in the larval and fry stages.
By Ruth Francis-Floyd and Craig Watson, University of Florida - Ammonia is a major metabolic waste product from fish. It is excreted across the gill membranes and in the urine. The primary source of ammonia in aquaculture systems is fish feed.
In a new book, The Benefits of Fish Meal in Aquaculture Diets, RD Miles and FA Chapman, from the University of Florida, explain the value of fishmeal in feeds for fish and shrimp.
Tilapia is native to Africa and the Middle East. A decade ago, few people knew much about tilapia. Today, it has emerged to become the second biggest aquatic species group after the carp group, with a worldwide harvest of over 2 million metric tons (MT), about…
By Craig Tucker, Mississippi State University and published by the Southern Regional Agricultural Center and the Texas Aquaculture Extension Service - Fish, like all animals, must obtain oxygen from the environment for respiration. Oxygen is far less available…
By Fiskeriforskning - Statkraft is focusing on tidal power and is planning a floating plant in Kvalsundet Strait outside Troms. Can such a power plant affect fish farms and the local fish population?
By Sintef - Land-based aquaculture systems release water with high values of nutrients. Marine algae use most of these to produce biomass. This principle can be used to clean the water using chosen arts of algae and macro-algea in the effluent.
By John A. Hargreaves and Craig S. Tucker, Mississippi State University and published by the Southern Regional Agricultural Center and the Texas Aquaculture Extension Service - Dissolved oxygen concentration(DO) is considered the most important water quality v…