Features

Carolyn Gunn, DVM, Assistant State Fish Pathologist, Colorado Division of Wildlife looks at bacterial coldwater disease.

The turnover of the Dutch fish processing industry and wholesale sector rose nominally in the period 2005-2009 by 15 per cent from 2.7 to 3.1 billion. The actual growth amounts to 10 per cent.

Biologists with the Louisiana Department of Wildlife and Fisheries recently stocked Spring Bayou with 5,000 triploid grass carp as part of a continued effort to help control unwanted aquatic vegetation.

As retail and consumer demands on the fisheries and aquaculture products increase, so does the pressure on the fisheries and aquaculture industries, writes Chris Harris.

Even though lupin seeds are rich in proteins, their use in fish feed has been limited partly because of the bitter taste and lack of knowledge about how high levels of lupin the fish tolerates.

Andrew Mcdonald, Angela Caporelli, Shawn Coyle and James Tidwell from Kentucky State University look at local farmers' markets as possible direct retail outlets for fresh, whole, freshwater prawn.

Tight markets and record prices are set to continue in 2011/12, according to Thomas Capehart and Edward Allen in the latest report from the USDA Economic Research Service.

Stuart Lumb reports for TheFishSite from VIV Asia, where Mr Nicholas Joy, Managing Director, for Loch Duart Ltd, Scotland spoke about marketing relationships.

Deshelled krill meal in salmon feed gave a better growth rate and digestibility of nutrients in salmon compared to whole krill. Deshelling also result in lower content of fluoride and will thereby make krill more suitable in salmon feed.

Experts from Australia, Norway, South Africa, Malaysia, the UK, Canada, and the US gathered in Minneapolis in June to explore the use of transgenic methods in controlling aquatic invasive species, reports Leah Sharp for the Minnesota Sea Grant.

William Wurts from Kentucky State University looks at sustainable small-scale catfish farming.

The Director of PHARMAQ Asia, Kjersti Gravningen, discussed the effectiveness of vaccines in aquaculture at the Novus International Seminar, held during the recent biennial VIV ASIA event, reports Stuart Lumb for TheFishSite.com.

Siddhartha Dasgupta, Kelly Probst and Scarlett Wesley from the Aquaculture Research Centre at Kentucky State University look at direct marketing of aquaculture products to Hispanic consumers in the University's newsletter, Kentucky Aquatic Farming.

Harrison Charo-Karisa from Kenya's KMFRI Sagana Aquaculture Research Centre, and Jacob Maithya from Moi University report on fish farmers&rsquo' contribution to the conservation of endangered Lake Victoria Basin fish species.

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.

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.

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 …

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

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.

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.

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 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…

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.

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.

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…

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…