Despite Atlantic cod and haddock extending further into Arctic waters, a new study reveals there is little competition for food between the invaders and native polar cod. However, it is uncertain whether climate change will increase competition between the spe…
This study aims to investigate the impact of commonly used pesticides (deltamethrin) on the blood and tissue oxidative stress level in catfish; in addition to the protective effect of alpha-tocopherol on deltamethrin induced oxidative stress, write Kamal A Ami…
Researchers have demonstrated that hatching in polar cod can begin as early as January in Arctic seas that receive large freshwater input, compared to April-July in seas with little freshwater input. Since early hatching leads to higher survival rates, the eff…
Good quality and improved quality control are important for salmon producers. Effective measurement methods that investigate how light scatters through the flesh of the fish can be of great help.
Asian carp, that large, invasive fish known for leaping out of a river into boats when startled, now make up more than 60 percent of the total fish biomass in one of Illinois' major river systems, a research team led by Southern Illinois University Carbondale …
The worlds fisheries and aquaculture sectors have gone through a dramatic development in the last 60 years, and there have been large increases in their production, according to the Food and Agricultural Organisation of the UN.
Marine fisheries are very important to the economy and well-being of coastal communities, providing food security, job opportunities, income and livelihoods as well as traditional cultural identity. This FAO publication, Review of the State of World Marine Fis…
While Nile perch popularity in the German market was enhanced by Naturland certification, the US will probably face strong competition from Australian barramundi.
Doctoral research carried out by Mona Gjessing from the Norwegian School of Veterinary Science shows that pathological changes in cod differ from those found in diseased salmon, and cod that appear clinically healthy can nevertheless be affected by extensive c…
This overview report addresses opportunities for the development of the Pacific Islands mariculture sector in general terms. More specific analysis of opportunity in particular countries is presented in the five accompanying country reports for the Cook Island…
Of the 50 species fished in the Baltic sea, the majority are overfished. This report, Sustainable Fisheries Management in the Baltic Sea, from Ocean looks at the biggest problems affecting Baltic Sea fisheries and recommends the application of an ecosystem bas…
Roughly one-third of the edible parts of food produced for human consumption, gets lost or wasted globally, which is about 1.3 billion ton per year. Food is wasted throughout the food supply chain, from initial agricultural production down to final household c…
Every day, new reports are published in newspapers worldwide reporting about the effects of antibiotic resistant bacteria and their consequences on human health, according to Biomin.
Good fishing in South America and improved access to raw material has pushed fishmeal production higher over the last months with total production for 2011 about 40 per cent above 2010 levels in the major producing countries. The increased supply eliminated an…
During 2011, most producers scaled back production from the previous year, leading to higher prices, in particular for bream. The situation soon after returned to normal with bass quoted higher than bream, which is the usual price.
Hybrid catfish offer productionadvantages over channel catfish.Trials have shown the greatersurvival and faster growth of thehybrids allows shorter productioncycles. The hybrids alsohave better feed conversion andfillet yield, writes Nagaraj G. Chatakondi, USD…
Having previously looked at the effectiveness and fitting of square mesh panels, Mike Montgomerie,Gear Technologist at Seafish, discusses the use of vertical andhorizontal separator panels, andcoverless trawls.
In the last in a series ofarticles, Mike Montgomerie,Gear Technologist at Seafish, discusses the use of flexibleand rigid grids. With the increasingimportance of social, economicand political factors as a bigpart of the issue Seafish geartrial work over the la…
Low market prices challenge the Chinese tilapia industry as it seeks to become sustainable, writes Dr Liu Liping and Dr Zhang Zongfen from Shanghai Ocean University, and Dr Francis Murray and Dr David Little from the University of Stirling. Taken from the Glob…
This overview report addresses opportunities for the development of the Pacific Islandsmariculture sector in general terms. More specific analysis of opportunity in particularcountries is presented in the five accompanying country reports (Cook Islands, Fiji,P…
At Global Aquaculture Alliances recent GOAL 2011 conference in Santiago, Chile, Executive Director Wally Stevens discussed in his welcoming remarks the five major challenges between us and our objective of responsibly doubling aquaculture production in a decad…
Salmon farmers see record prices in early 2011 drop to money losing levels in no time. 2012 outlook negative from mid year as production is expected to increase by up to 15 per cent, according to Globefish.
Production of trout in the UK is increasing, according to a study by the Levercliff Associates, writes Patrick Smith, Chairman of the British Trout Association.
In the fourth of a series ofarticles for Fishing news,Mike Montgomerie, GearTechnologist at Seafish, continues by examining theoptions for fitting squaremesh panels.
Probiotic bacteria are a sustainable approach to modulate the gut microflora towards a favorable composition, which is of utmost importance since the digestive system of fish and shrimp is an important entrance point for infections.
In this third article in the series, MikeMontgomery from Seafish, starts tolook at specific devices,starting with squaremesh panels, to see howeffective they have proved to bein various fisheries.
With the reproductivity of farmed fish a major concern for the aquaculture industry, the Genetics and Reproduction Group at theInstitute of Aquaculture, Stirling, Scotland, has carried out researchto tackle common problems including sexual maturation impacts o…
Research by Thomas Hecht from Rhodes University, South Africa reviews feeds and fertilisers for sustainable aquaculture development in sub-Saharan Africa (SSA). The study highlights the lack of capacity and knowledge to do with feed technology, a need for more…
Daniel Lee, Best Aquaculture PracticesStandards Coordinator with theGlobal Aquaculture Alliance looks at how aquaculture certification helps buyers and builds trust. Taken from the Global Aquaculture Advocate, a Global Aquaculture Alliance publication.
The pangasius industry in Viet Nam faced difficulties of supply, with increased production costs, disease problems and high interest rates for bank loans. However, imports during the first half of 2011 increased to the US market but declined to the EU, writes …
In the second of aseries of articles,Mike Montgomerie,gear technologist atSeafish, gives hisperspective on theissue of discards andthe work that Seafishand the industryhave been doing tohelp develop newselective technologiesand net-basedfishing activitiesto re…
The economic importance of sandfish to poor rural Asian communitiestriggered a collaborative, multinational research effort to advance breedingand rearing techniques when fish numbers started to decline, writes Catherine Norwood, Australian Centre for Internat…
The Farm Animal Welfare Council (FAWC) is currently working to update a 1996 report which looks at thewelfare of farmed fish generally, andthe welfare of farmed fish at slaughter. The study, of which an outline is set out below, will assess whether the welfare…
In the first of a seriesof articles, MikeMontgomerie, gear technologistat Seafish, giveshis perspective on theissue and the work that Seafish,along with industry, has beendoing to help develop new selectivetechnologies and net-basedfishing activities to reduce…
The recent report by McKinsey and Company 'Design for Sustainable Fisheries' takes some important steps towards meeting the challenge of integrating what we understand about the biology of fished species and the economic behaviour of those who fish. It is vita…
Michael Phillips, from The World Fish Centre and Rohana Subasinghe, from FAO look at trends, future prospects and adaptation of small-scale shrimp farmers in the global markets, to ensure that the continue to provide important economic and social benefits. Tak…
Sound scientific advice is not available for the majority of demersal fish species caught by Scottish and Shetland fishing vessels. This can have a serious impact on the economies of these stocks when policy making, according to a study by Ian Napier, NAFC Mar…
