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Aquaculture industry
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Replace traditional salt in fish processing with a healthier alternative. Scientist Rune Larsen makes this suggestion in his PhD dissertation. The Nofima (formerly Fiskeriforskning) scientist has also studied to what degree substances beneficial to our health are lost during processing of fish. Salt Health authorities want us to eat less salt in order to reduce the risk of high blood pressure. One method can be to replace normal salt - Sodium...
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Overfished to the brink of commercial collapse, scientists are coming to the rescue of the Atlantic bluefin tuna by learning how to breed these huge fish in captivity, which could reduce pressure on wild tuna. Even so, demand for bluefin sushi is so intense that others say the tuna will inevitably follow salmon, catfish and other smaller fish into successful commercial aquaculture. "I think that about 10 years from now, we'll get bluefin tuna to breed via land-based...
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Functional yeast protein improves fish health in reduced fishmeal diets
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Fishing may result in a 'contemporary evolution' where large, fertile males are removed, leaving populations of smaller fish struggling. Commercial fishing results in direct selection against bold, fast-growing fish, potentially affecting the ability of harvested populations to recover, according to a new study by fish scientists in Australia and Canada. The scientists, who simulated an intensive gillnet fishery in two rainbow trout-stocked experimental lakes in Canada, found...
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New Zealand researchers are studying ways of making the country's mussel farming industry more environmentally friendly. The National Institute of Water and Atmospheric research (NIWA) is conducting a mussel experiment in the Marlborough Sounds using the principles of compost underwater, The Marlborough Express reported. Regional manager Ken Grange said NIWA received funding last year to test some new ideas in co-culture with an overall focus on sustainability. Apart from...
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PRICHEMIN MIX
Priya's PRICHEMIN MIX is a mineral supplement for aquaculture. It consists of a mix of mineral chelats from aminoacids
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The fish-processing industry grades salmon manually into various quality classes. If sensors took over this job, costs could be cut and Norwegian companies could avoid having to set up shop abroad. Ekrem Misimi, a research scientist at SINTEF Fisheries and Aquaculture Research, has recently defended his doctoral thesis on accurate mathematical descriptions that enable machines to sort fish according to quality. Misimi has combined machine vision with pattern recognition methods, and...
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Current regulations governing the fluorine content in fish feed appears to restrict the use of plankton, such as krill, as feed ingredients. Neither fish health nor food safety are affected by the inclusion of krill and other plankton in fish feed. Undesirable substances in krill meal Plankton species such as krill and amphipods are rich in protein and are natural prey for fish, consequently they are a possible alternative ingredient to fish meal in fish...
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Functional yeast protein improves fish health in reduced fishmeal diets
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The recent discovery of tilapia in the Gulf of Carpentaria catchment highlights the need for scientific research on control strategies for pest fish. Uncontrolled pest fish populations are potentially damaging to the fishing industry, as tilapia and other pest fish species compete with native fish such as barramundi, and can damage ecologically sensitive wetlands. The Department of Primary Industries and Fisheries (DPI&F), in partnership with the Invasive Animals Co-operative...
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The Norwegian aquaculture feed company Blue Limit AS today presented a new shrimp larvae feed to an international aquaculture feed, ingredient and aquaculture farming audience at VICTAM Asia 2008 in Bangkok. The company is a spin-off from Nofima (formerly Fiskeriforskning) in Bergen. The new feed, Brilliant Blue, generated significant interest from both shrimp larvae producers and feed producers. Replacing crustaceans In shrimp farming, the...
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PRICHEMIN MIX
Priya's PRICHEMIN MIX is a mineral supplement for aquaculture. It consists of a mix of mineral chelats from aminoacids
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The bacteria-killing enzyme from salmon can have a new career as a food preservative, Nofima scientists have discovered. All animals and humans have an enzyme group called lysozymes, which has the ability to "eat" and kill bacteria. Scientists at Nofima (formerly Fiskeriforskning) in collaboration with Norstruct have carried out research to find the properties of one of salmon's two types of lysozymes - and these properties are unique. Preserving ...
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The multi-analyte approach has benefits beyond time and cost savings, which are vital in the drive towards increasing efficiencies and improving performance. Traditional screening methods take the form of single analyte assays, a multi-analyte assay will result in faster sample turnaround times and considerably reduce time, labour and costs.
The surface chemistry of the biochip and the analysis platforms allow BAT to be used with a range of seafood samples. ...
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Functional yeast protein improves fish health in reduced fishmeal diets
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Norwegian researchers have identified the gene that controls a great deal of the fish’s susceptibility to infectious pancreatic necrosis (IPN), a viral disease which has cost Norwegian aquaculture great losses. This represents a breakthrough in molecular genetic research and will give a meaningful increase in profits for the aquaculture industry, as a result of fewer losses and better fish welfare. Aqua Gen has already implemented the research results in their practical selective breeding, and...
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Norwegian researchers in Bergen are investigating how climate change affects feed utilisation and growth in farmed salmon. The research has come about due to statistics revealing that the sea temperature along the Norwegian coast is rising. This may, say the researchers, have consequences for salmon, which prefer temperatures below approximately 17 oC. In 2004 and 2006 the temperatures were said to have been unusually high in western Norway, and studies suggest that we can expect...
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PRICHEMIN MIX
Priya's PRICHEMIN MIX is a mineral supplement for aquaculture. It consists of a mix of mineral chelats from aminoacids
Suggested link
Fish culture facilities should rely on a disease prevention program which includes: water quality and nutritional management, quarantine of new animals, and sanitation. Sanitation practices should include disinfection between groups of fish, cleanliness while fish are growing, and prevention of disease transmission by equipment, personnel, or water. Sanitation Practices for Fish Ponds Pond-reared fish can be raised in a system of...
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The stockfish industry can save millions if fish are handled correctly, resulting in less mucoso. After three years of research, fishermen are being warned to avoid storing gutted fish in seawater. Mucoso is a condition where the fish meat dissolves and becomes gelatinous after rehydration, resulting in a considerably lower quality and therefore lower price. The industry itself estimates that mucoso causes annual loses of around NOK 40 million. Nofima Fiskeriforskning has just...
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Functional yeast protein improves fish health in reduced fishmeal diets
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Alltech, the global biotechnology company based in Jessamine County, made its name by producing food additives for cows, horses, swine, poultry and dogs. But the company hopes to take its knowledge of land animals and see whether the same all-natural products can benefit fish and shrimp raised by man around the world. A year ago, Alltech, the corporate sponsor for the 2010 FEI World Equestrian Games in Kentucky, opened a $1 million aquaculture center up the road from its...
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By 2100, warmer oceans with more carbon dioxide may no longer sustain 1 of the world's most productive fisheries, says USC marine ecologist. The last fish you ate probably came from the Bering Sea. But during this century, the sea’s rich food web—stretching from Alaska to Russia—could fray as algae adapt to greenhouse conditions. “All the fish that ends up in McDonald’s, fish sandwiches—that’s all Bering Sea fish,” said USC marine ecologist Dave Hutchins,...
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PRICHEMIN MIX
Priya's PRICHEMIN MIX is a mineral supplement for aquaculture. It consists of a mix of mineral chelats from aminoacids
Suggested link
Wild-captured Arctic charr farmed at land-based aquaculture facilities grow better if light conditions are adapted to suit winter, new research on environmentally-friendly aquaculture shows. It is normal practice to provide farmed fish continual light so they grow as rapidly as possible. However, wild-captured Arctic charr have adapted to living in arctic conditions with little access to food in winter. As a result, scientists have tested if a period of darkness in winter can...
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Aquaculture is the farming of sea creatures for human consumption. It is done in ponds and adjacent to the sea. Shrimp aquaculture has expanded the fastest over the past two decades in Asia and Latin America. It tops the list of favourite sea food. It is important that you know the consequences of eating farmed shrimp. By the time a shrimp arrives in the market, it has been injected with antibiotics, doused in pesticides, and fed chemical-laden food. Shrimp farms are often dirty,...
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Functional yeast protein improves fish health in reduced fishmeal diets
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As countries from around the world met in Bali, Indonesia recently to thrash out a new framework on fighting global warming, the fishing community there is adapting to the looming impact of climate change. Many are turning away from fishing to a small but innovative scheme aimed at reviving the tropical island’s coral reef, which is threatened by rising temperatures and over-exploitation. The scheme, run by environment group WWF, encourages people to give up damaging fishing...
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European collaboration will provide answers about which welfare actions can provide good profitability for the aquaculture industry. A group of scientists from six European countries will develop models that will provide answers about the relationships and consequences if the regulating framework for fish welfare changes. With four selected indicators (mortality, fin damages, deviation in feed intake and changes in CO2) as a starting point, the group will look at biological factors...
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