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According to a report published on the Journal of Food Science by D. Mantilla, H.G. Kristinsson, M.O. Balaban, W.S. Otwell, F.A. Chapman, and S. Raghavan, Carbon monoxide (CO) has been used for improving the color of muscle foods.
In the current study, authors compared the postmortem treatment of tilapia fillets with 100% CO and euthanasia of live tilapia with CO for their ability to stabilize the color of white and red muscle of tilapia fillets.
Both postmortem CO treatment and CO...
A semantic software development toolkit designed by European researchers could help the UN's Food and Agricultural Organisation (FAO) improve its management of the world’s fisheries. Helping countries manage the world’s food supply sustainably is the challenging task of the FAO. Now the organisation is working with the EU-funded NeOn (Networked Ontologies) project to find better ways to do the job. The NeOn team is creating an industrial-strength development toolkit for semantic...
Carp, or white amur, have been used for aquatic vegetation control in Mississippi for the past two decades. These fish, used as a "biological control" for aquatic vegetation, can be effective and cost efficient when stocked at appropriate rates and when the problem-weed species is a plant preferred by carp. Although these fish are voracious herbivores, they exhibit preferences for the softer, low-fiber, high-moisture plants when given a choice. Even when there is no alternative, grass carp...
The soaring price of vegetables is having a knock-on effect on the price of fish oils used by the nutrition industry, says Croda Heath Care, which announced a double-digit increase in the price of its Incromega range. The cost of many vegetable oils has doubled in the past year as a result of a confluence of factors, including use of crops for biofuels and insufficient harvests. The impact of this has been felt across the food industry, but the effect in fish oils underscores the...
Parasitic nematodes are microscopic, but a major problem in the fish filleting industry. Scientists at Nofima have discovered that light and automation provides a better fillet. Separating the good fish fillet from the bad is generally done by hand based on observations when the fish is being processed. But a machine can soon be introduced into the production of cod fillets to distinguish between qualities. Scientists at Nofima Marine have discovered that light can be utilised...
Huge numbers of fish, seabirds, and other marine animals are routinely killed and discarded after being inadvertently caught during fishing operations. Known as marine bycatch, this problem is an ongoing challenge to the fishing industry, regulatory agencies, and conservationists. One recent proposal would compensate for bycatch by reducing other impacts on affected species, but a new analysis suggests that this strategy could end up doing more harm than good. A paper published last year...
Research on octopuses has shed new light on how our brains store and recall memory, says Dr. Benny Hochner of the Department of Neurobiology at the Alexander Silberman Institute of Life Sciences at the Hebrew University of Jerusalem. Why octopuses? Octopuses and other related creatures, known as cephalopods, are considered to be the most intelligent invertebrates because they have relatively large brains and they can be trained for various learning and memory tasks, says Dr....
Herring is just as good for the heart and blood vessels as other fatty fishes. This is shown in a doctoral dissertation from Chalmers University of Technology in Sweden. It is the first specific study of the health effects of herring. Unlike many other kinds of fish, herring is very inexpensive, and it is one of the few species that are fished in an ecologically sustainable manner. In earlier studies of the health effects of fatty fish, researchers have addressed a mixture of fish...
Queen's University Belfast is appealing for help from the public in looking at ways to detect and stop the spread of marine aliens. Activities such as aquaculture, shipping and recreational boating have led to an army of marine alien species hitchhiking around the globe. Now Queen's is attempting to find out exactly where and how non-native species get a foothold in a new area. To do this it is asking for help from the public to record what they have seen. Part of the Marine...
Contamination of the deep oceanic food web is occurring, new study reports. New evidence that chemical contaminants are finding their way into the deep-sea food web has been found in deep-sea squids and octopods, including the strange-looking “vampire squid". These species are food for deep-diving toothed whales and other predators. In a study to be published in the journal Marine Pollution Bulletin, Michael Vecchione of NOAA...
Are fisheries scientists in Europe carrying out the best and most useful research? Are they discovering new things or following in old tracks? Nofima is active in ensuring research is going in new and correct directions. A European research project will provide answers about whether fisheries and aquaculture research is on track. The project is called FEUFAR ("The Future of European Fisheries and Aquaculture Research"). "The reason this think tank was established was the EU...
In the US Pacific Northwest, different species and stocks of Pacific salmon (Oncorhynchus) commingle as they migrate toward spawning areas. This often results in mixed-stock fisheries in which some stocks are abundant while others require protection. In fisheries that exploit complex stock mixtures, mass marking and mark-selective fishing emerged as a way to increase the harvest of hatchery fish while protecting natural stocks of concern. Currently, mass marking in this region involves...
The National Institute of Nutrition and Seafood Research (NIFES) has analysed the content of cadmium and lead in scallops and horse mussels harvested in Norwegian waters. The results show levels above EU's maximum limits when analysing the digestive gland of the scallop and the kidney of the horse mussel. Cadmium in the digestive gland from scallops Shell feed by filtering seawater. During this process they may take up particles...
When Russian trawlers switched from fresh to frozen fish in the late 1990s, many Norwegian companies went bankrupt. But now the Russians are back - and supplies of Russian fish to Norway are increasing. The collapse of the Soviet Union had major consequences for the fish processing industries in both Norway and Russia. It created virtually overnight a completely new situation for the Russian fishing boat owners. The fish processing industry - particularly in Finnmark - was quick...
Patagonian toothfish is to be farmed in Chile for the first time, following investment of nearly US$500,000 in government funds. The La Araucana Education Corporation has been awarded funds through the FONDEF project DO6i 1077 “Farming of Patagonian toothfish”. Patagonian Toothfish (Dissostichus eleginoides) is a much sought after resource. Once caught and processed, it is marketed as Chilean seabass. The Patagonian toothfish fishery began in Chile in September...
Researchers here have confirmed an unusual phenomenon first observed in spawning salmon 25 years ago. The hearts of male and female salmon actually stop beating at the climactic moment in which they lay and fertilize their eggs. Hokkaido researchers confirmed it with data from 14 chum salmon at the Shibetsu Salmon Museum in Shibetsu, near here in eastern Hokkaido. In an experiment last November, the heartbeats of spawning salmon halted for six to seven seconds while the...
Department of Fisheries’ pathologists have completed a range of tests, following a recent fish kill near the Ocean Reef Marina and found it to be caused by a lack of oxygen. Fish Kill Incident Response Co-ordinator Paul Hillier said the results had confirmed his early assessment and had now conclusively ruled out disease or algal blooms as causes for the fish deaths on Tuesday 27 May 2008. “We examined a range of fish species and some crabs collected from the beach on that...
A vast international campaign aimed at banning the use of antibiotics in aquaculture was launched yesterday in Chile. The project also demands that all sanitary standards regarding antibiotics for Chilean salmon consumers be brought in line with international standards, such as the United States’ FDA rules or those of the European Union. Chile proposes a sole State agency, which would regulate and monitor the use of antibiotics both in human use and animal...
On the heels of the emerging aquaculture industry's "Blue Revolution," Clean Water Scientific, Inc. announced yesterday it has filed a patent application with the U.S. Patent and Trademark Office for its groundbreaking new product O2 at Sea. The aquaculture revolution, similar to the agriculture industry's mid-century focus on better farming practices, is forcing farmers to find safer and more efficient ways to harvest their fish. "Worldwide fish farmers are looking for ways to grow...
A study out today concludes that Canadian farmed salmon contains less mercury than wild salmon caught in nearby waters. Published in Environmental Toxicology and Chemistry, the study actually finds that wild fish has three times the amount of mercury. Levels in farmed and wild fish were below those that trigger health warnings. More findings, from a press release on the salmon study: * Compared to other foodstuffs, total mercury was found to be slightly higher in...