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High ingredient prices in 2008 led feed mills to begin manufacturing new, less expensive feed formulations untested under commercial catfish farming conditions. New feed formulations have been tested at the University of Arkansas Pine Bluff (UAPB) for the past…

The recent grains stocks report confirms that supplies are tight, according to Tom Capehart and Edward Allen in the latest report from the USDA Economic Research Service.

Probiotics are generally defined as bacteria that promote the health of other organisms. Gary Fornshell, University of Idah looks at probiotics as an alternative treatment for bacterial coldwater disease.

Large numbers of larvae of the sea cucumber (Australostichopus mollis) have settled in the intensive settlement system at the Ahumoana a Toi Aquaculture Centre, writes Andrew Morgan.

The Regulation on organic aquaculture animal (fish, molluscs, crustaceans) and seaweed production entered into force on 1 July 2010. Certification in the Member States used to be based on private standards or national specifications, but the new Regulation imp…

This article, written by John Walakira and Gertrude Atukunda, from Aquaculture Research and Development Centre in Uganda, Nelly Isyagi, Maurice Ssebusubi, Aquaculture Management Consultancy, Uganda and William Leschen, University of Stirling, UK, explores the …

On December 17 2010, the New Zealand Minister of Fisheries and Aquaculture announced a proposal to establish a marine farming zone available for finfish farming in the Hauraki Gulf and initiated a consultation process in respect of the proposal.

Scientists at Queens University in Belfast, Northern Ireland, have pioneered new technology to test if shellfish are safe to eat.

This EU report provides an overview of the EU fisheries policy that benefits from public support but that, at the sametime, suffers unwanted side effects.

The environmentally friendly Danish Model fish farms are to be expanded from the current freshwater farms to also include saltwater fish farms. This requires new technological solutions, which in itself could become something of an export bonanza, according to…

Fishmeal and fish oil have traditionally been the main ingredients in feed for farmed salmon. Today, less is used of these ingredients. To find out how much fish oil and fishmeal goes into the production of farmed fish, Fish In Fish Out (FIFO) is calculated, w…

The more anchovies grow, the greater the probability of their survival, and it is precisely those born at the peak of the season of egg-laying and promptly moving out to the ocean area which enjoy optimum growth.

Speaking at the 9th Asia Regional Advisory Group (AG) on Aquatic Animal Health, Dr Chinabut (Thailand) informed the meeting that there are no updates or recent reports on molluscan diseases, and that the Asia Pacific still lacks experts in this regard.

Speaking at the 9th Asia Regional Advisory Group (AG) on Aquatic Animal Health, Dr Siow Foong Chang (Intervet Norbio Singapore) presented updates on bacterial and viral diseases of finfishes in the Asia Pacific, in both marine and freshwater environments.

A joint study by local oyster growers and researchers at the Virginia Institute of Marine Science shows that moving farmed oysters into saltier waters just prior to harvest nearly eliminates the presence of a bacterium that can sicken humans.

Often producers find that at pond draining there are significantly fewer fish than there were at stocking time. Karen Veverica from the Department of Fisheries and Allied Aquacultures at theInternational Centre for Aquaculture and Aquatic Environments in the U…

Commercial Malaysian aquaculture began in the 1980s. In the last five years the aquaculture sector has recorded an annual growth rate of about 10 per cent.

Speaking at the 9th Asia Regional Advisory Group (AG) on Aquatic Animal Health, Professor Timothy Flegel (Centex Shrimp and BIOTEC, Thailand) presented updates on current crustaceans diseases in the Asia Pacific.

With more barramundi being cultured intensively in Asia, extensive epidemiology surveys conducted provide insights into the major diseases. With a better understanding of these diseases, the industry can look forward to vaccination and other disease management…

Speaking at the 9th Asia Regional Advisory Group (AG) on Aquatic AnimalHealth, Dr Melba Reantaso (FAO) presented on-going projects of FAO related to aquatic animal healthwhich are of importance to the region. The report included issues on: Biosecurity; Certifi…

The growth in global aquaculture, particularly in the Asian region, has been a major global trend that has increased. There is competition in global markets for Australian fishers, and import competition in local markets. This report by ABARE looks at the econ…

Fathead minnows are sold as bait,forage and feeder fish. The traditionalproduction method is the spawningrearingpond method, in which adultsare stocked and left to spawn, writes Nathone Stone, Extension Fisheries Specialist.

World coarse grain production and beginning stocks forecast for 2010/11 are reduced this month, lowering supply 2.5 million tons, according to the latest report from the USDA Economic Research Service.

In India 2,319 species of finfish have been recorded asper the database developed by NBFGR of which 838 arefrom freshwater, 113 brakishwater and 1,368 from the marineenvironment, write Sarkar, U.K. and Lakra, W.S. from the National Bureau of Fish Genetic Resou…

The growth in global aquaculture, particularly in the Asian region, has been a major global trend that has increased. There is competition in global markets for Australian fishers, and import competition in local markets, reports the Australian Bureau of Agric…

Xenohaliotis Californiensis is a disease which affects abalone, often causing large scale mortalities. This article, from the OIE, looks at the causes of the disease, its life cycle and advise if the disease is present in stocks.

Various opponents to the salmon farming industry claim that the fish used for producing fishmeal, should be used directly for human consumption. While this can be correct for some species, it does not tell the whole story, writes Marine Harvest.

Freshwater ecosystems are very vulnerable to invasion by pests, including introduced animals and weeds. Since European settlement many exotic fish have been accidentally or deliberately introduced into New South Wales (NSW) waterways, and some have become wide…

Infectious myonecrosis (IMN) is a viral disease caused by infectious myonecrosis virus (IMNV), a putative totivirus. IMNV particles are icosahedral in shape and 40nm (nano metres) in diameter, reports the Network of Aquaculture Centres in Asia (NACA).

This study, by N. Ahmed from the Department of Fisheries Management, Bangladesh Agricultural University, describes the existing marketing systems of low-valued cultured fish with its value chain analysis. Theaim of this paper is to highlight key issues determi…

After 11 years, Target Marine Hatcheries in Canada, is expecting to harvest its first batch of white sturgeon caviar in the next few months. Charlotte Johnston, TheFishSite Editor speaks to Justin Henry, General Manager.

Major changes are taking place in two traditional integrated aquaculturesystems, the VAC and wastewater-fed aquaculture in the Red River Delta,Vietnam, especially in peri-urban Hanoi and adjacent provinces, writes Peter Edwards, for the Network of Aquaculture …

Next month, traps will be lowered into the waters of the Hauraki Gulf in a renewed bid to find out more about the prevalence and impact of the toxin that is threatening seafood safety, writes the Cawthron Research Institute.

There have been substantial technical advances in recent years which have dramatically changed the use of fish meal and the efficiency of feeding. Marine Harvest, the worlds biggest salmon producer, has now explained some of the major factors behind the fish f…

The direct threat from the killer warty comb jellyfish to the Baltic cod population has been shown not to be so serious after all. Even though the invasive killer jelly feeds constantly, cod eggs seem not to be on the menu. In fact, if they accidentally swallo…

Vegetable ingredients can replace much of the fish proteins and fish oil used in conventional feeds for farmed salmon and salmon trout without sacrificing the health benefits of consumer products.

Record-high farm prices for corn in 2010/11 are expected to ration demand over the coming months, according to the latest report from the USDA Economic Research Service.

A market for over six million metric tons of soybean meal has been successfully created over the past 15 years through the development,field testing, and demonstration of all-plant protein, soymeal-based feeds to fish farmers in China, says Dr Michael Cremer, …

Catfish research at Mississippi State University is no surprise given that Mississippi leads the nation in catfish production, but the potential applications of that research through the College of Veterinary Medicines fish hatchery are another story.

Eel stocks are currently undergoing a steep decline, although no one knows exactly why.