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Fish feed and nutrition
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Factors such as nutrition, water temperature and rapid growth play a key role in bone development of Atlantic salmon. Novel research shows that the naturally occurring level of vitamin K present in fish feed given to Atlantic salmon juveniles is sufficient for good growth and bone health from the start of feeding until smoltification.
Norway produced more than 700 000 tons of salmon in 2007. The development of bone deformities presents a challenge to the aquaculture...
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Fishmeal is recognized by nutritionists as a high-quality, very digestible feed ingredient that is favored for addition to the diet of most farm animals, especially fish and shrimp. Fishmeal carries large quantities of energy per unit weight and is an excellent source of protein, lipids (oils), minerals, and vitamins; there is very little carbohydrate in fishmeal. What Is Fishmeal Fishmeal is a generic term for a nutrient-rich feed...
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Functional yeast protein improves fish health in reduced fishmeal diets
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Tilapia fishes were found tastier when these are given natural food than commercial fish feeds.
This was the contention of fishery officials in Cagayan Valley as they spearheaded a recent training on 45-day delayed feeding technology.
Hermogenes Tambalque III, extension chief of the Bureau of Fisheries and Aquatic Resources, said this new technology aims to cut expenses of fishpond operators on commercial feeds, which, according to studies, account for as much as 70...
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Commercial catfish feed comes in a variety of pellet sizes--floating or sinking pellets--and a variety of crude protein levels. The two most common levels are 28 percent and 32 percent crude protein. Farmers choose a particular formulation based upon growth and profitability. Of course, there has been considerable debate on which protein level leads to maximum growth.
Why would it be desirable to limit the total crude protein in practical diets? There are three nutrient groups that...
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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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Le Gouessant fish feed range from trimmings certified Friend of the Sea, with more to come from approved sustainable fisheries.
Friend of the Sea certified aquaculture companies will soon have to source only from certified fish feed to prove their sustainability to the consumers. Friend of the Sea is providing a practical answer to the yearly discussion between pressure groups, NGOs and the aquaculture and fish feed industry, about the sustainability of...
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Access to marine raw materials for fish feed production is limited. Any future increase in the numbers of farmed salmon will therefore necessitate an increased use of feeds of plant origin. If salmon are to grow satisfactorily and remain healthy, it is important to obtain knowledge of just how plant-based feed affects the health of fish. For his doctorate, Einar Lilleeng studied how plant ingredients in fish feeds affect the health and immune defence of fish. It is important to...
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Functional yeast protein improves fish health in reduced fishmeal diets
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With the aquaculture industry dependent on fish-based feed, a researcher has come up with a formula that uses poultry by-products and vegetable oils. Dr Rossita Shapawi said the industry currently relied on trash fish, which is defined as fish with little or no commercial value. "Trash fish is not sustainable for the long term and so we have to use artificial feed, but we don't produce quality feed. The imported feed is also expensive," said Rossita, who is with...
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Mathieu Castex Awarded Young Researcher of the Year during New Caledonia « Doctoriales » for his work on Probiotic Application in Aquaculture. Mathieu Castex, a final year PhD student at IFREMER (French Research Institute for Exploitation of the Sea) in Nouméa, New-Caledonia, was awarded Young Researcher of the Year during New- Caledonia « Doctoriales 2008 ». The subject of his research project, conducted in partnership with Lallemand Animal Nutrition, is the evaluation of...
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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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For the first time, a study has examined how feeding Atlantic salmon high levels of both plant proteins and vegetable oils would affect the fish. This experiment resulted in two kilos of salmon protein generated per kilo of fish meal protein in the feed. The study showed a slight reduction in salmon growth, even though all known nutrient requirements of the fish were covered by the feed. In a study carried out by the National Institute of Nutrition and Seafood Research (NIFES), salmon...
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The reduction in the use of fish oils in aquaculture diets has been recognised as an important issue to resolve for the aquaculture industry. In Western Australia, our production of canola and canola oil provides us with a potential alternative to fish oil. Of the available alternatives to fish oil, canola oil is one of the more promising candidates. It has higher omega-3 (n-3) levels than most other candidates and is readily accepted by fish in the studies that we have conducted....
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Functional yeast protein improves fish health in reduced fishmeal diets
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Grouper farming, especially in Southeast Asia, is still heavily dependent on feeding with trash fish. The demand for trash fish is increasing steadily despite decreasing prey fish stocks in the world’s oceans and competing use for human consumption (Tacon et al., 2006). In order to sustain the rapidly expanding marine fish farming industry in Southeast Asia, more farmers are using commercial formulated feeds in the aquaculture of captive groupers. Currently available commercial feeds for...
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Western Australia is the world's largest producer of lupins. The narrow-leaf sweet lupin, Lupinus angustifolius, is the main species of lupin grown, though other varieties such as the yellow lupin (L. luteus) and white lupin (L. albus) are also grown. Each of the lupin species differ subtly in their composition (see composition table). The removal of the seed coat to produce a kernel also alters the composition of the resultant kernel meal, which has considerable advantages over...
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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
800 000 salmon produced at CAC yielded more fish protein than was used to produce their feed, without reducing the omega-3 level in the fish flesh. Commercial salmon farming can be a net fish protein producer. This is proved by recent research findings from CAC in Norway. The results show that limits in the supply of marine raw materials do not need to frustrate future growth in the aquaculture industry, and that salmon farming can produce more fish protein than comes from the...
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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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Functional yeast protein improves fish health in reduced fishmeal diets
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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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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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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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Functional yeast protein improves fish health in reduced fishmeal diets
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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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