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This factsheet by the Southern Regional Aquaculture Center (SRAC) gives information on aquatic weed management. Specifically, the document looks at herbicide safety, technology and application techniques.

This factsheet by the Southern Regional Aquaculture Center (SRAC) gives information on shipping fish in boxes.

During Aquaculture Europe 2013, Kamaran S. Mama and Shamall M. A. Abdullah, University Salahaddin, Iraq, presented their study on the ciliated protozoans that infected common carp from Ainkawa fish hatchery in Erbil city, Kurdistan region, Iraq.

Atlantic halibut (Hippoglossus hippoglossus) is a high-value, niche market species for cold-water marine aquaculture. In a University of Stirling study, Christos Palaiokostas et al discovered that all-female halibut production is commercially possible using in…

This factsheet by the Southern Regional Aquaculture Center (SRAC) gives information on acclimating Pacific white shrimp to inland, low-salinity waters.

Speaking at the 150th Annual AVMA Convention in Chicago, US, Nicholas Saint-Erne, DVM PetSmart, Phoenix, Arizona, gave an insight into ornamental koi carp.

Vietnam has become the second largest rice exporter in the world. However, the food security is still a local urgent necessity for the farmers in several parts of the country, particularly, in area where most of arable land used to low paddies have been transf…

The gastropod mollusc Scaphander lignarius a marine invertebrate found in North Atlantic and Mediterranean water is the first organism, besides bacteria, in which the biosynthesis of lignarenones, organic molecules involved in organisms chemical defence, has b…

Cutaneous ulcers in koi are one of the most common complaints for which the fish practitioner is called upon, writes Julius M. Tepper, DVMLong Island Fish Hospital, Manorville, New York, while speaking at the 150th Annual AVMA Convention in Chicago, US.

Presenting their research at Aquaculture Europe 2013, D Raposoa et al, Universidade Tcnica de Lisboa, Portugal, evaluated the potential benefits of using shrimp and seaweeds in an intergrated multi-trophic aquaculture system.

During their presentation at Aquaculture Europe 2013, Rui Magalhes et al, Centre of Environmental and Marine Research, investigate the use of corn distillers dried grains with solubles in fish feed for European seabass and meagre.

As fears rise over resistance, some countries have banned the routine use of antibiotics in animal feed. Two professionals with opposing views state their case in a recently published article.

In an exclusive interview for ThePigSite, Dr Radu Marti of Biomin explains the dangers presented by mycotoxins in feed and how mycotoxin deactivators can greatly ameliorate the risks these toxins pose to the health of farm animals and consumers of animal prote…

Scientists are seeking to improve the health benefits of rainbow trout by using dietary coriander oil along with vegetable oil to improve fatty acid composition in the fillet.

Chelsea M. Rochman, University of California, discusses the harm that waste plastics in the sea can have on marine life. Plastics are both harmful as objects and harmful as holders of chemical pollutants.

This article provides a quick guide to breeding males for tilapia farming and best practice for hatchery, grow out and slaughter, writes Lucy Towers, editor of TheFishSite.

Similarities in how different organisms look can indicate a close evolutionary relationship. Conversely, great differences in appearance can suggest a very distant relationship, as in many adult marine fish species. For the first time, however, a Smithsonian s…

Fish do not feel pain the way humans do. That is the conclusion drawn by an international team of researchers consisting of neurobiologists, behavioural ecologists and fishery scientists. One contributor to the landmark study was Prof. Dr Robert Arlinghaus of …

Cryopreservation is a process to maintain genetic material (such as spermatozoa) in subzero freezing. Abinawanto Zuraidah and Retno Lestari, University of Indonesia, disscussed the effect of skimmed milk on spermatozoa quality of silver barb (Barbonymus gonion…

The Alaska Seafood Marketing Institute (ASMI) contracted with McDowell Group, an Alaska-based research firm, to measure the economic impact of the Alaska seafood industry in the state of Alaska, Washington State and in the US economy overall. The report consid…

Tropical and ornamental fish, like terrestrial animals, are susceptible to a wide variety of infectious pathogens including viral, bacterial, parasitic and fungal agents, said Stephen Smith, Virginia Tech, speaking at the Annual AVMA Convention in Chicago, USA…

This study, by Ibrahim Diler et al, Suleyman Demirel University, Turkey, is the first trial to evaluate algae meal, Ulva rigida, as an inexpensive and locally available feed ingredient in the diet of common carp, Cyprinus carpio.

This report is the first in a series of articles highlighting the research results coming out of the NEMO Project, or its more formal name, Training network on protective immune modulation in warm water fish by feeding glucans. The project was awarded by the E…

MicroRNAs (miRNAs) are an abundant class of endogenous small RNA molecules that downregulate gene expression at the posttranscriptional level. This study by Rune Andreassen, Oslo and Akershus University, et al, aims to identify and characterize miRNA genes in …

Koi herpesvirus (KHV) is a highly contagious virus that causes significant morbidity and mortality in common carp (Cyprinus carpio) varieties (Hedrick et al. 2000, Haenen et al. 2004). Common carp is raised as a foodfish in many countries and has also been sel…

Speaking at the Annual AVMA Convention in Chicago, USA, Jill Arnold, National Aquarium, Baltimore, provides an overview of clinical chemistry testing and a summary of the literature as a basis for future work to establish standard classification of fish leukoc…

Speaking at Aquaculture Europe 2013, in Trondheim, Norway, Lars Gansel, SINTEF, dicussed how biofouling affects aquaculture net cages. As part of the investigation, the effect of different types and amounts of fouling on nets was recorded, allowing a database …

There is a growing demand for organic seafood around the world. While some will question the economic feasibility of producing organically, organisations and farmers at Aqua Nor 2013, in Trondheim, Norway, discussed how organic aquaculture has grown and how it…

One of the most common problems of tropical and ornamental fishes are those caused by parasites. Fish parasites include protozoans, trematodes, cestodes, nematodes, acanthocephalans, crustaceans and arthropods, said Stephen A. Smith, Virginia Tech, speaking at…

Mariculture of tropical sea cucumbers is promising, but the nursery rearing of juveniles is a bottleneck for farming and sea ranching. Steven W. Purcell and Natacha S. Agudo conducted four medium-scale experiments lasting 36 weeks, using thousands of cultured …

In a 12-week indoor feeding trial by A. M. Abdelhamid, Al-Mansourah University and A. A. Soliman, Egypt National Institute of Oceanography and Fisheries, common carp fry were fed dietary graded levels (0, 1, and 2 per cent) of various medicinal plants to see w…

The ability of species and populations to adapt to environmental change is the cornerstone of the emerging field of ecological genomics. Until recently, genome-wide studies of genetic adaptation in non-model organisms were not possible. Steve Smith, Flinders U…

In the present study, by Mads Kristiansen, University of Tomso, Norway, et al, the impact on gut microbiology and indigenous gut histology of Atlantic salmon (Salmo salar L.) was investigated following feeding of a control and a prebiotic (EWOS prebiosal) diet…

Dr Mark McMurtry's comparison of the two schools of aquaponics shows that the media-based, 'flood/drain' approach outperforms, by a wide margin, the hydroponic raft system. Dr McMurtry is widely acknowledged as the creator of the science of aquaponics when he …

Use of manufactured feeds in aquaculture in Bangladesh has grown rapidly over the last five years. More than 1 million tonnes of commercially formulated feeds and 0.3-0.4 million tonnes of farm-made feeds were produced in 2012, and sectoral growth is projected…

Aquaculture is the fastest growing food production system worldwide and is particularly important in bridging the gap between fish demand and supply in Nigeria. This study was carried out by F.O.A George et al, University of Agriculture, Nigeria, to determine …

This report from the Australian Government presents estimates of the financial and economic performance of the Commonwealth Eastern Tuna and Billfish Fishery and two sectors of the Southern and Eastern Scalefish and Shark Fishery. It provides survey based esti…

The catfish industry has experienced a dramatic downsizing in the last several years in large part because of rapidly increasing feed cost. This increased cost is directly correlated to the increased price of soybean meal and corn the primary feedstuffs in cat…

Aflatoxins are known as a hepatocarcinogen in various animal species, including fish. The present study, by Dr Ahmed Ismail Mohamed Mehrim from Mansoura University, Egypt, was designed to evaluate the ability of some medicinal herbs against aflatoxicosis regar…

Equipped with the zebrafish genome, researchers have designed a method to assay the function of each and every gene and to explore the effects genetic variation has on zebrafish. So far the team has generated one or more mutations in almost 40 per cent of all …