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Fish feed and nutrition
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It is common knowledge among skin experts that glowing skin comes from healthy habits. The Central Institute of Freshwater Aquaculture (Cifa) has now reinforced the belief, only in respect to ornamental fishes. The Cifa scientists have found an organic feed that “enhances” the colour and brightness of ornamental fishes — by including maize, drumstick leaves, marigold petals and rose petals to the fish feed. And more than the fishes, it is the hobbyists and breeders who are...
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According to research from the Cheju National University, on a paper presented at Aquaculture America 2008, tons of citrus peel by-products from the citrus juice processing in Korea, plus dead fish from commercial-scale aquaculture farms, can be turned into a highly valuable aquafeed, easing at the same time the enormous economical loss for both industries, and considerable environment damage.
Dr Seon-Heui Cha and his team from the Faculty of Applied Marine Science at the Cheju National...
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A Calgary company developing a safflower-based feed additive for farmed shrimp may rethink its plans now that a partner has stepped back from the project. SemBioSys Genetics, which has previously modified its safflower plant varieties to produce insulin and a cardiovascular drug (both still in development) reported Friday that Aqua Bounty Technologies, its joint development partner on the ImmunoSphere shrimp feed additive project, plans to scale back its marketing and registration...
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Protein extracted from Saskatchewan canola could be finding its way to fish farms around the world to replace the disappearing Peruvian anchovy. Toronto-based Bio-Extraction Inc. (Bio-Exx) is building a $10-million low-volume, low-temperature canola crushing plant in the Corman Industrial Park to provide protein to the global aquaculture industry. Bio-Exx received more than $11 million in backing this winter from a group of four venture capital funds to complete the facility....
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Nutreco's subsidiary Skretting, the world's leading fish feed producer has agreed a two-year salmon feed supply contract with Marine Harvest, the largest producer of farmed salmon in the world. This new agreement, effective from 1 May 2008, involves the supply of approximately 70% of the total requirements of Marine Harvest in the coming two years. Knut Nesse, Managing Director Skretting, said, "We are very pleased with the new fish feed contract and the continuation of our...
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The lowly, less utilized Balunggay (scientific name: Moringa oleifera , Malunggay in Tagalog) is a good source of protein for Tilapia feeds. Wally Afuang, Executive Director of the Northern Negros Aquatic Resources Management Council (NNARMAC), said the Balunggay tree holds a considerable potential for becoming an ingredient for animal and fish feeds because of its high nutritional quality that is comparable to other feed protein sources. Afuang...
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The construction of Aller Aqua’s pea protein factory in Germany and one of the most modernized fish feed factories in Europe is nearing completion project is a jont-venture between Emsland Stärke GmbH (Germany) and Aller Aqua Technology (Denmark). The Aller Aqua unit, Aller Aqua Technology, the largest stockholder in the German company Emsland-Aller Aqua GmbH, has invested more than E25 million in the project, which will be completed during summer 2008. The first part of the project, the...
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An organic aquaculturist from Sipalay City (Philippines) said fish feed with natural or organic food actually looks, smells and tastes better than fish supplied with synthetic feeds. Francisco Britanico, who has a 45-hectare fish farm in Barangay Nabulao, has been practising organic fish growing for four years now. He grows milkfish, black tiger prawns, white Pacific shrimps, mudcrab and tilapia using organic fertilizers. “When I was into chemical feeding,...
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Last week at their spring meeting in Montreal, Canada, the Fats and Proteins Research Foundation, Inc. (FPRF) enhanced their international program aimed to support research on the use of animal by-products in aquaculture feeds. “The latest $112,000 in grants builds on ongoing work in order to understand the potential role of attractants and palatability factors in animal byproducts, and to forge connections between the genetic potential for growth in aquatic species and nutrient...
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Neptune Industries, Inc. headquartered in Boca Raton, Florida announced today that its executive officers attended the USDA's Alternative Feeds Initiative in Silver Springs, Maryland yesterday to discuss the results of the second stage of the Company's research on Ento-Protein(TM). Ento-Protein(TM) is a high quality, sustainable protein derived from the controlled mass production of select insects. The feasibility, taste acceptance, and growth analyses on fish fed Ento-Protein(TM) based...
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Farmed cod larvae are dependent on feeding on live zooplankton, like rotifers. However, analyses have shown that rotifers contain low amounts of selenium and other minerals. New methods will now be explored in order to add selenium to rotifers in order to provide the cod with sufficient quantities. Mortality and developmental deformities during the larval stage are bottlenecks in cod farming. In the wild the cod larvae feed on copepods and in intensive farming they need to feed on...
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Neptune Industries has branded new US guidelines excluding wild fish from the production of organic seafood as an "important step forward" in its efforts to obtain an "organic" label for its Ento-Protein brand. In its recommendations, the US Department of Agriculture said fishmeal and fish oil produced from wild fish and other wild aquatic animals "cannot be used in organic production of aquatic animals, or certified or labeled as...
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Neptune Industries, Inc. today announced what the company called "extremely positive" preliminary results from stage three trials of Ento-Protein™ now under way at Mississippi State University. Ento-Protein™ is a high quality sustainable protein derived from insects, which is intended to be a replacement for the rapidly depleting fishmeal made from wild caught feedstock species, for which there is currently a $7 billion worldwide market. The trials are being run at Mississippi...
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A new customised dry feed for sea urchins has generated international attention. Scientists at Nofima are now working on reducing production costs and adapting the recipe for large-scale production. Many of the world's wild sea urchin stocks are over fished and poorer access to sea urchin roe on the market has led to increased interest in farming. Innovative Norwegian companies are among those that have started farming sea urchins. Scientists at Nofima (formerly...
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Feed transformation into biomass gain it’s a process that starts in the digestive system of the animal. As such, its health status and its functionality correlate directly with the economic results of the farmer. From mammalian research it is...
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How reliant are fish on seeing what they eat? Unlike other fry, cod fry grows quicker when it is fed in the dark, new research findings from Nofima show. It is normal for fish farmers to feed fry in light conditions, as studies of a host of species, including salmon, has shown fry grow best when they receive a lot of light. Studies have also shown cod larva is reliant on light to eat and grow. However, no studies have been carried out on whether the same effect could be shown on...
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Aquaculture feeds characteristically contain a higher percent of protein than feeds used in agriculture for poultry, swine, and beef. A typical commercial production diet formulated for tilapia or catfish contains approximately 32-40% protein, while one formulated for trout or salmon contains as much as 44-50% protein, on a dry weight basis. A commercial grower diet formulated for most terrestrial animals rarely exceeds 20% in total protein, and even for carnivorous species such as cats, the...
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Aqua Bounty Technologies Inc., a biotechnology company focused on enhancing productivity in the aquaculture market, announces that it has signed a Term sheet with Stirling Products North America Inc. for an exclusive option to distribute ProValeTM in the Chilean salmon market. ProValeTM is an environmentally friendly and highly bioactive form of the currently marketed beta glucan product for immune stimulation and disease management in fish. Under the terms of the agreement, Aqua...
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For many years water quality has been the most important limitation to fish production. Advances in life support technology have been substantial in recent years, and nutrition is increasingly regarded a key limitation to increased production efficiency as well as the growth and propagation of "new" species. Commercially prepared diets for channel catfish and salmonids have been developed using a great deal of research data on specific nutritional requirements of these species,...
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Dietary nutrient-density refers to the amount or proportion of a particular nutrient in relation to the total amount of nutrients contained in the diet. Commonly, a nutrient-dense diet refers to being rich in protein and energy, and the amount of the specific nutrient is represented in proportion to the total energy content of the diet. A simple, nutrient-dense diet can be rich in vitamins and minerals and have a low content of fat and relatively few calories (e.g., many fruits and vegetables...
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