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Fish feed and nutrition
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Cultures of stem cells and other cells are useful tools for studying the impacts of environmental pollutants and nutrients on fish health and development. Researchers from NIFES will present results related to this topic at the fifteenth ESTIV 2008 conference in Stockholm, Sweden, the 25th of September. The conference is for scientists from all over the world who study the biological effects of environmental pollutants. The National Institute of Nutrition and Seafood Research...
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Western Australian research is now helping to feed fish in aquaculture projects across the world and is providing another valuable market for the State’s grain farmers. The Aquaculture Feed Grains Program has brought together private and public sector partners, who saw the potential of developing a sustainable, nutritionally-sound product to feed farmed fish and create a new and growing export market. Department of Fisheries research scientist Dr Brett Glencross said, with...
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The international marine conservation organization, Oceana, celebrated an announcement made last week by the Chilean government regarding the elaboration of a plan to reduce the use of antibiotics in salmon farming. The Salmon Task Force, led by the Chilean Minister of Economy, aims to identify the problems affecting salmon farming and possible solutions. To this end, it released last week its second report on the measures to be adopted to address the sanitary crisis that has affected...
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Nofima and the four other host institutions have plenty of time to prepare for the conference on fish nutrition and feed scheduled for 2012. More than 500 researchers from around the globe are expected to attend the conference in Molde, Norway, to share their latest findings in the field. "It will be exciting for us to arrange such a large and prestigious conference," says Ståle Refstie of Nofima/APC, chair of the Norwegian organizing committee. Nofima applied to...
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INVE , a family holding of Belgian origin, provides advanced solutions for animal rearing, in both agriculture and aquaculture. What INVE strives for is not just to nourish but to really nurture cultured animals, in particular the young ones. Therefore the company has developed unique portfolios of high quality nutritional and health products, combined with a customized service. In hatcheries, fish are raised from the...
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The U.S. Soybean Export Council, USSEC, in conjunction with USB New Uses and Domestic Marketing, recently held The Soy in Aquaculture Stakeholders' Meeting at the New England Center in Durham, N.H. State Representatives from Illinois, Indiana, Nebraska, Kansas, Minnesota and Tennessee, along with representatives from USSEC, USB and researchers from various organizations gathered to discuss recent activities in the program. Presentations covered current international marketing and research...
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Finding a substitute for fish meal in fish diets hasn’t been easy and now it’s becoming more expensive. For more than three decades researchers have experimented with feedstuffs like soybean meal, corn, barley and even marine processing waste to replace fish meal. Up until 2006, sustainability was the key issue, but economics has become increasingly more important in recent years. “We expected an orderly transition from fish meal to plant protein concentrate,” said...
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New research shows that mice eating sugar together with fat become significantly fatter than mice that eat protein with fat. The results will be used to examine what happens when diets with marine omega-3 fatty acids are combined with sugar. New research indicates that whether fat in diets is combined with sugar or protein play a role with respect to maintaining body weight. In an experiment carried out at the National Institute of Nutrition and Seafood Research (NIFES) one group of mice...
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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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All permits now in place, on 26 June 2008 Skretting celebrated the official start of building for its new fish feed plant near Bodrum in Turkey, with around 80 guests representing key customers, authorities and partners. The plant has a modular design and the first production line is scheduled to be in action by May 2009. Subsequent building phases will expand the plant to three lines with a total capacity of 100,000 tonnes. Alberto Allodi, Managing Director of Skretting...
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Scientists at Nofima have developed a salmon feed that strengthens the immune defence among salmon so the survival rate after a natural outbreak of the IPN virus increases dramatically. Professor Kjell-Arne Rorvik at Nofima Marine (formerly Akvaforsk) believes this is an example of the fish feed of the future. "The best way of significantly improving fish feed involves finding and utilising components that collaborate with the fish's biology so that the energy in the feed is...
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Ann Cecilie Hansen from NIFES received an award for the best PhD-student presentation at a large fish nutrition conference in Brazil. The "International Symposium on Fish Nutrition and Feeding" (ISFNF), this year held in Brazil, Florianópolis, 2.-5. of June, is an important meeting place for researchers in the field of fish nutrition. Ann-Cecilie Hansen from the National Institute of Nutrition and Seafood Research (NIFES) in Norway is a PhD student at the University of...
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Neptune Industries, Inc., a world leader in the development of sustainable solutions for aquaculture, headquartered here, said today it has received a Letter of Intent to purchase over 40 tons per month of its Ento-Protein (TM) , an insect-based alternative to fishmeal, from Zeigler Bros, Inc. of Gardners, PA. Ento-Protein (TM) is a high quality sustainable protein derived from insects, which is intended to be a replacement for the rapidly depleting fishmeal made from...
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Channel catfish ( Ictalurus punctatus ) raised in ponds are typically fed daily to apparent satiation to obtain maximum growth. However, under certain economic circumstances, catfish producers may feed less than daily to reduce feed cost and minimize economic losses. Robinson and Rushing (1994) compared different feeding strategies (once daily, every other day [EOD], once every third day [ETD] to satiation, and once daily to half satiation) for pond-raised channel catfish. They reported...
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Stirling Products advises that its wholly-owned North American subsidiary, Stirling Products North America Inc, has successfully completed product validation trials in shrimp with a leading global animal pharma company for applications for its proprietary immunobiotic ProVale (TM). STI-NA entered into an agreement with one of the top five animal pharma companies (name withheld for confidentiality reasons) in July 2007 (ASX 12 December 2007) to conduct a validation trial in...
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Improved feed management strategy, including the use of optimal combinations of fertilisers, feed ingredients and manufactured feeds, could lower costs and optimise production of aquatic species, says the Food and Agriculture Organisation of the United Nations (FAO). This, says the FAO, calls for an increased understanding of the economics and cost-benefit analysis of these practices. The FAO Fisheries and Aquaculture Department Technical Paper, 'Economics of...
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Kiotech International plc is pleased to announce the successful completion of a seven-month trial of its Aquatice® attractant to enhance the rate of growth and feed conversion in catfish (Clarias sp.). The eight-pond trial was conducted in Southern Thailand. This is one of a number of Aquatice® trials being carried out on a range of fish species in South East Asia and the first on catfish. The Aquatice® treated ponds delivered double the number of large catfish, which command a premium price in...
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Fish meal used in fish feed contains high levels of taurine, which is not the case for plant proteins. What are the consequences when the levels of plant protein in the diet are high? New research at NIFES shows that the farmed salmon`s requirement for taurine is met when the feed contains sufficient amount of the precursor amino acids. Fish meal contains high levels of the sulphuric amino acid taurine. Today’s grow-out feed for Atlantic salmon contains up to 50 % plant protein, due to...
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Prosol, an Italian private company very active in the production of natural Nucleotides for food dietary, announces the creation of a new range of products for aquaculture based on Nucleotides. Based on a well known independent scientific literature, these products provide a certain source of Free 5’ Nucleotides(F5N). Indeed has been proven that nucleotides only in free form enhance the immune system response to stress factors. NUCLEO 5 PRIME™ is the newborn in Prosol range,...
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New research from Norway shows the levels of DHA that ensure better growth, survival and normal pigmentation in Atlantic halibut larvae. The bottleneck in halibut farming is related to insufficient supply of important nutrients. Two feeding trials at NIFES, in collaboration with the Norwegian Institute of Marine Research, suggest for the first time minimum levels of the marine fatty acid DHA needed for good survival and normal pigmentation. In a feeding trial, a group of Atlantic...
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