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Due to nitrate accumulation during nitrification and low water-exchange rates in recirculating aquaculture systems (RAS), nitrate levels can build up. Hendrik Monsees has therefore investigated the effect that exposose to high nitrate concentration has on juve…

Although the effects of fish density on the performance of fish have been widely studied, there has been little work done into the effect of cage size on seabass performance, said Athanasios Samaras speaking at Aquaculture Europe 2014, writes Lucy Towers, TheF…

Pole-and-line fishing is considered to be a sustainable method for catching tuna. However, the reliance on baitfish, which are commonly very variable in their availability, has the potential to introduce unsustainable elements to the fishery, write Arun Padiya…

Ectoparasites are key agents responsible for causing diseases in farmed fish. The Nile tilapia, in particular, has been shown to be susceptible to infestation by trichodinids and monogeneans, write Santiago Benites de Pdua, Aquivet Sade Aqutica, Roney Nogueira…

Salmon lice Lepeophtheirus salmonis Kryer may affect survival and growth ofanadromous salmonids through physiological stress and/or behavioural changes. Using acoustic telemetry tracking, Karl ystein Gjelland et al, Norwegian Institute for Nature Research, inv…

Fish is especially rich in essential omega-3 long-chain polyunsaturated fatty acids and micronutrients, including bioavailable calcium, iron and zinc. Fish features prominently in the diet of most, especially poor, Zambians. Despite this, its significance in t…

In an effort to understand the molecular basis of adaptation in vertebrates, BBSRC-funded researchers have sequenced the genomes and transcriptomes of five species of the African cichlid fish and uncovered a variety of features that enable the fish to thrive i…

Two real-time reverse transcription polymerase chain reaction (rRT-PCR) assaysunder consideration for deployment to multiple testing laboratories across the USA were evaluated for diagnostic sensitivity and specificity on tissue homogenates obtained from natur…

Knut Wiik Vollset and Bjrn Torgeir Barlaup, Uni Research - Environment, LFI, Norway, report on the first observation of a winter epizootic of salmon lice Lepeophtheirus salmonis Kryer on sea trout Salmo trutta Linnaeus in a Norwegian fjord with intensivesalmon…

The International Pole & Line Foundation (IPNLF) and its Indonesian stakeholders are working on improving the management of Indonesian pole-and-line fisheries and the associated bait fisheries.

Eight laboratories worked collectively to evaluate 4 real-time RT-PCR (rRT-PCR) protocols targeting viral hemorrhagic septicemia virus (VHSV) being considered for deployment to a USA laboratory testing network, write Janet V. Warg et al, National Veterinary Se…

This report, written by Dr R. Charles Anderson for the International Pole and Line Foundation reviews information on interactions between cetaceans (whales and dolphins) and tuna fisheries in the western and central Indian Ocean.

The European Commission has published proposals for a regulation of the EuropeanParliament and the Council establishing specific conditions relating to fishing for deep-sea stocks in the North-East Atlantic and provisions for fishing in international waters of…

In line with the level of investment, changes in concepts with regards to sanitary and health management can ensure stable and efficiency in production. Risk reduction from diseases requires continuous diagnosis of pathogens, adoption of biosecurity measures a…

This FAO technical paper compiles the state of knowledge on seafood safety and quality with the aim to provide a succinct yet comprehensive resource book to seafood quality and safety managers, including topics on emerging issues such as new pathogens, the imp…

Disease problems on shrimp farms may be partly driven by an interaction between management practices that cause inbreeding in small hatcheries and the amplification by inbreeding of susceptibility to disease and environmental stresses, writes Roger W. Doyle, P…

This review focuses on the recent advances in research on genetic relationships between Bonamia isolates, geographical distribution, susceptible host species, diagnostics, epizootiology, host parasite interactions, and disease resistance and control of this gl…

Hunger and malnutrition are the worlds most devastating problems and are inextricably linked to poverty. A total of 842 million people in 2011-13, or around one in eight people in the world, were estimated to be suffering from chronic hunger, regularly not get…

On 15 And 16 April, 2014 a two-day workshop on the future management of the scallop fishery in the Channel was held in Brixham, England. The workshop was funded by GAP2 (an international EC funded research project) and logistical support was provided by the Wo…

Red claw crayfish have numerous attributes that make the species a good choice for aquaculture, including flexibility in feeding that may allow expensive prepared diets to be supplemented or replaced by natural foods or forages, write Kenneth R. Thompson et al…

FISHY was first developed in 1980. It was written in Basic and ran on Radio Shack TRS-80 computers. Lee Fouch (an MSU agricultural economics and computer science graduate) and I wrote the initial version, with heavy assistance by agricultural economics profess…

Bonamiasis, caused by Bonamia ostreae, was confirmed in native flat oysters Ostrea edulis L. in England in 1982. This paper reports on the controls and associated monitoring applied in the UK to prevent the spread of Bonamiasis and reports on the epidemiology …

The evaluation of intestinal trophism, mainly the mucosal layer, is an important issue in various conditions associated with injury, atrophy, recovery, and healing of the gut. The aim of the present study was to evaluate the kinetics of the proliferation and a…

This FAO report provides operators in the sector with up-to-date and complete information on the trade of eel. Statistical data from the last ten years has been examined, which represents a significant period for an economic evaluation of the sector and for as…

This Worldfish study provides an overview of the aquaculture sector in Ghana. It assesses the actual and potential contribution of aquaculture to poverty reduction and food security, and identifies enabling conditions for and drivers of the development of Ghan…

The AquaFish Innovation Lab has conducted research using value chain analysis as a tool to increase income and nutrition for small-scale fish farmers through improved market participation and efficiency. Integrating women into the aquaculture value chain is pa…

Compared to a century ago, the world's fishing fleets are larger and more powerful, are travelling further and are producing higher quality products, write Robert W R Parker, Institute for Marine and Antarctic Studies, University of Tasmania, Australia and Pet…

This report from The High Level Panel of Experts on Food Security and Nutritionaddresses a frequently overlooked but extremely important part of world food and nutrition security: the role and importance of fish in seeking food and nutrition security for all.

Good nutrition in aquaculture systems is essential to economically produce a healthy and high quality product, writes Mr Prakash Chandra Behera, Technical Manager (Aqua Division), PVS Group, India.

Invasive alien species are widely acknowledged as a major threat to the biodiversity of native species. Controlling species invasion is a priority for conservation of native assemblages, write Toshikazu Kizuka et al, Center for Environmental Biology and Ecosys…

DNA vaccines encoding the viral G glycoprotein show the most successful protection capability against fish rhabdoviruses, write Beatriz Novoa et al, Instituto de Investigaciones Marinas (IIM), Spain.

Anyone dining out in many countries and certainly England would expect to find prawn cocktail as a starter on the menu, although in fact the crustacean they are eating may well be shrimp. Most diners will not give much thought as to the origin of the crustacea…

Future fish demand-supply scenarios project that investment in aquaculture will be needed to ensure fish for food security in Solomon Islands, write Anne-Maree Schwarz et al, WorldFish.

The Republic of Kiribati is a vast South Pacific island group with one of the largest exclusive economic zones (EEZs) in the world. Kiribati waters support a wealth of marine fisheries activities, write Brooke Campbell and Quentin Hanich, WorldFish.

Nicholas Robinson et al, Nofima, Norway, genotype full-sibling families using an Illumina iSelect array containing SNPs found in transcribed genes, in order to produce a genetic linkage map of the L. rohita genome and simultaneously scan the genome of challeng…

In this era, the world is facing increasing demands for food supply, and has a need for higher quality food resources, in which aquatic products form an important component. After significant population growth in the last decades, the world's capture fisheries…

Aquaculture is widely held to contribute to poverty reduction and food security in the Global South, but robust evidence is limited. Using nationally representative data from Bangladesh, this study analyses changes in fish consumption from 2000 to 2010, writes…

Large jellyfish swarms occur naturally in our oceans but when in contact with a fish farm they can have severe consequences.

This research focuses on the gher farming systems in southwest Bangladesh and which systems are more beneficial economically, through yielding rice or prawn or, in combination, write Shamim Parvez, The WorldFish Center, M. Salekuzzaman, Khulna University, M. E…

A shellfish aquaculture study regarding co-location with offshore wind farms (OWFs) has recently been completed for the SAGB. Originally developed by Mark Gray of the Sea Fish Industry Authority (Seafish) and James Wilson of Deepdock Ltd., this Welsh EFF proje…