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Fish feed and nutrition
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The mass culture of oligochaeta is a good live food for fish......
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Bioenergetics describe the flow of energy and nutrients within a biologicalsystem in our example a fish or shrimp. It describes the biological process of utilisation and transformation of absorbed nutrients for energy, for own body synthesis.The feed, that is consumed, is transformed in the body, complex chemical compounds are broken down into simpler components -protein into amino acids, carbohydrates into glucose,...
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From both nutritionist and aquaculturist points of view, our aim is to sustainably produce aquatic food with superior sensory properties and high cardioprotective properties. The reason is that although preventable, cardiovascular diseases (CVDs) remain the top global cause of death and stroke. The prevention of atherosclerosis is, therefore, a major objective of modern medical and biochemical investigations into the...
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INTRODUCTION The history of meager in aquaculture is quite recent. First trials with wild brood stock were conducted in the south of France, where some of the Sciaenidae family was thought to have good aquaculture potential. Starting from 1996, fry production has been very limited, with a single hatchery operating in France. In fact the rearing protocol of this species is still relatively unknown, and has not yet...
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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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INTRODUCTION Based on the existing efforts to promote sustainable aquaculture, environmental-friendly processed feeds should be addressed, developed and implemented (Frankic and Hershner, 2003). Because of the rapidly increasing of worldwide aquaculture, aqua feed's supply is less than its demand; so, many efforts are undertaken to overcome this gap. Among these efforts is evaluation of novel feed...
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Abstract Protein in the diet (25 Vs 31%), stocking rate (100 Vs 200 fish per m 3 ) and inclusion rate of pantothenic acid, vitamin B5, (10 Vs 20 mg/kg diet) were compared for their effects on blood plasma protein, albumin, urea-N, creatinine, plasma transaminase enzymes (AST and ALT), thyroxin (T 3 ) and growth in Oreochromis niloticus juveniles. Blood total protein, albumin, ALT,...
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This article was previouly published in Aqua Feed Magazine, Issue September/October 2009 Throughout its history, aqua-culture has made use of fishmeal and fish oil to feed not only carnivorous and omnivorous fish, but even herbivorous fish, particularly in their early stages when they need high protein levels. The reason why they have proved so popular in aquaculture is that both fish-meal and fish oil...
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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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INTRODUCTION The genus Artemia (Crustacea: Anostraca) is a complex of bisexual and parthenogenetic species, which have very similar morphological characters. Artemia has widely distribution on the 5 continents in many salt lakes, coastal lagoons and solar salt-works (Van staapen, 2002). The Urmia Lake is the second large lake (average total surface 5000 km2) in Iran, which is located in West Azerbaijan Province. It is the habitat...
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Introduction
California halibut, Paralichthys californius , is a high value commercial species considered to have great potential for aquaculture. In recent years cultivation of this species began in the northwestern part of Mexico. However, similar to other cultivated flatfish species, poor growth, survival and abnormal pigmentation are bottlenecks during larval development. This may be related among other...
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Despite the accelerating knowledge in understanding metabolism and nutrition and the considerable improvement in farm management in aquaculture, financial losses due to diseases still strike producers severely everywhere in the world. Often the reasons for the outbreak of diseases are not obvious but increased mortalities or reduced meat quality are at least in part triggered by stressful husbandry, overstocking, poorly adjusted feed levels or inferior feed, as...
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Summary Dietary lipids and fatty acids are not only fundamental in determining animal performance, but also determine the eating qualities of animal products. Several methods have been used to quantify fatty acid metabolism but most involve expensive in vitro approaches that are not suitable for most laboratories. Furthermore, there is considerable variation between methods with regard to enzyme activity, which makes comparison of results between...
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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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INTRODUCTION Searching for new aquaculture feedstuff, other than the usual commercial pellets, means looking forward to solve the problem faced frequently in the African rural context, where feedstuff supplies are difficult. The high cost (including transportation) of fish pellet and its ingredients such as fishmeal, fish-oil, soybean, etc. constitutes a real constraint for the development of aquaculture. The idea to apply acadja or brush-park...
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Beta carotene – Product forms and Markets Beta-carotene is currently utilized for a wide range of applications like nutritional supplement, agent for food fortification, as animal feed, food colorant etc. The high demand for b-carotene led to the development of its synthetic alternative. Considering its safety as food additive and better biological properties, natural beta-carotene is valued more than its synthetic...
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Global production of farmed tilapia in at least 85 countries exceeded 3 million t in 2009 and requires high-quality fish feeds. In such intensive aquaculture production, bacterial diseases have been identified as a major cause of economic loss to producers. Feeding antibiotic-medicated feeds is a common practice to treat bacterial infections. Prophylactic use of antibiotics as growth promoters in aquaculture production has also occurred widely. However,...
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Introduction While commercial applications of probiotics are still at an early stage in Europe, it is yet a practical and commercial reality in many Aquaculture countries in Asia and South/central America. The use of probiotics in aquaculture has been originally developed with the aim to achieve a better management of disease and is now increasingly implemented on farms as part of farmer´s "Best Management Practices", particularly in semi...
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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
ABSTRACT Two separate experiments (1 and 2, respectively) were conducted in order to investigate the susceptibility of using dried Ulva (Ulva lactuca) meal (DUM) and dried azolla (Azolla pinnata) meal(DAM) with or without Sodium hydroxide (NaOH) treatment in Nile tilapia (Oreochromis niloticus) feeding. Nine experimental diets (30% crude protein) were processed; four containing 10% DUM for the first experiment and...
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INTRODUCTION
Gilthead sea bream production in Mediterranean countries increased from 30 000 tons in 1996 to 90 000 tons in 2005,which mean that sale prices dropped considerably, from 6.6 € / kg in 1996 to 5 € / kg in 2005, with an historic minimum of 4 € / kg in 2002 (APROMAR, 2006). To maintain the profitability of gilthead sea bream farms, cutting production costs is necessary, mainly...
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Introduction In the past decade, the export of white Pangasius fillets to EU countries was on high demand and hence, striped catfish production through intensive pond culture increased by eight fold from 0.15 to 1.2 mill tons per year in Vietnams Mekong Delta (Bosma et al. 2009). In 2009, 608,000 tons of Vietnamese striped catfish had been exported mainly to the EU (37%) with Germany and Spain as the top two...
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Abstract A 105-day feeding study was conducted to evaluate the effect of partial (0%, 20%, 40%, 60% and 80%) and complete (100%) substitution of dietary fish meal (FM) with frozen Artemia on growth performance and feed utilization of Giant freshwater prawn ( Macrobrachium rosenbergii ) post larvae (PL) reared in fiberglass tanks under controlled conditions. A total of 1080 M.rosenbergii PL, average weight of 6.10...
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