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Fish feed and nutrition
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INTRODUCTION Most of the Egyptian wild (marine, brackish and fresh) water bodies are contaminated with agricultural, industrial and urban drainage, which are responsible for their water and fish pollution with different heavy metals (Abdelhamid et al ., 2006 and 2013a & b) at levels exceeding the Egyptians’ tolerance limits (ES, 1993 and Abdelhakeem et al.,...
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Is it useful as a natural nutritive food for marine shrimp industry during early culture periods? ...
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Yeast postbiotics strengthen preventive management of S. agalactiae and A. hydrophila outbreaks in tilapia farming
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Abstract: The present study was carried out to evaluate the effects of dietary supplementation of a commercial probiotic "Biogen ® " on growth performance, carcass composition, blood hematological and biochemical parameters, histometric examination of fish dorsal muscles and economic efficiency of mono-sex Nile tilapia Oreochromis niloticus under different stocking densities. Therefore, fish with similar body weight (12.71...
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Introduction Over the past 50 years, the University of Guelph has gained an enviable reputation, nationally and internationally, for its innovative research programs in aquaculture nutrition and expertise in aquaculture feed formulation. The history of fish nutrition research at the University of Guelph is intimately related to history of fish culture by governmental hatcheries in Ontario. The need for feeds from these...
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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 research of probiotics for aquatic animals is increasing with the demand for environment friendly aquaculture. The probiotics were defined as live microbial feed supplements that biocontrol and antagonist pathogens. The most promising prospects are sketched out, but considerable efforts of research will be necessary to develop the applications to aquaculture ( Castillo, 2008 )....
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The milkfish ( Chanos chanos Forsskål) is the most important cultured fish species in the Philippines. In 2011, almost 373,000 t milkfish were produced there (FAO, 2013), around 42% of its entire world production. A significant part of the Philippine production is achieved semi-intensively, or even intensively, which creates a demand for supplemental feed. Optimizing of the feeding and nutrition of milkfish is therefore of great interest. Dietary...
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Yeast postbiotics strengthen preventive management of S. agalactiae and A. hydrophila outbreaks in tilapia farming
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Introduction Aquaculture technology has evolved the push toward faster growth and higher production of fish has involved the enhancement or replacement of natural foods with prepared diets. Shiau et al . (1989) indicate that when dietary protein was suboptimal (24%), up to 67% of the fish meal protein in tilapia feeds can be replaced by soybean meal protein without any adverse effect on tilapia growth and feed...
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INTRODUCTION Probiotics (specific microbial feeds with potential benefits to the host), and prebiotics (dietary components such as complex carbohydrates able to change the colonic microenvironment fostering colonization with non-enteropathogens) are areas of current interest because they offer alternatives for the management of the growing problem of multiple antibiotic resistance and overwhelming...
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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
INTRODUCTION The first probiotics tested in fish were commercial preparations devised for land animals. Though some effects were observed with such preparations, the survival of these bacteria was uncertain in aquatic environment. Most attempts to propose probiotics have been undertaken by isolating and selecting strains from aquatic environment. These microbes were Vibrionaceae , pseudomonads,...
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INTRODUCTION Antibiotics have been used for many years as growth promoting agents in addition to their antipathogenic bacterial function which reduce growth and feed conversion. These growth promoters were linked to emergence of multiple drug resistant bacteria and antibiotic residues in animal products (Wary and Davies, 2000). Therefore, using natural feed additives to substitute antibiotics has...
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Yeast postbiotics strengthen preventive management of S. agalactiae and A. hydrophila outbreaks in tilapia farming
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Among the seven spiny lobster species found in the waters off Vietnam, Panulirus ornatus, P. homarus and P. polyphagus have been selected for farming because of demand, high prices and abundance of wild seeds. Currently, lobster production has extended to five central provinces Binh Dinh, Phu Yen, Khanh Hoa, Ninh Thuan and Binh Thuan. The waters off these provinces are characterised by year round water currents of 2-4 cm/s, water depth of 9-20...
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INTRODUCTION Nile tilapia ( Oreochromis niloticus ) are considered as the most common and popular fish in Egypt. Egypt is a country where, arguably, the farming of tilapia has its roots (Stickney, 2006). Latest fish production statistics in Egypt revealed that tilapia constitutes 52.86% of the total fish production in 2010 (GAFRD, 2010) and occupy the 10 th order concerning the world...
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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
In the two trials nine experimental diets of 25, 30 and 35% protein contents and within each level, three levels of metabolizable energy (ME) 2400, 2800 and 3200 kcal ME/kg representing nine P/E ratios ranged between 77.9 to 141.7 mg protein /kcal were tested. In the first trial red tilapia fry (0.70 - 0.82 g) and in the second experiment red tilapia fingerlings (9.06 - 9.59 g) were fed the...
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INTRODUCTION The medical plants are not only used in the ancient nations as folkloric drugs but also in the new world as a return to the nature to avoid the negative side effects of the chemical (pharmaceutical or synthetic) drugs. Many attempts were cariied out to utilize from these plants as appratives or growth promters ( El-Saidy and Gaber, 1997; Gaber, 2000; Abd Elmonem et al., 2002 and Abd...
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Yeast postbiotics strengthen preventive management of S. agalactiae and A. hydrophila outbreaks in tilapia farming
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I am interested in turning black soldier fly larvae into fish feed. Can it be combined with other things such as mosquitos and worms and turned into pellet form. Can this be done? Can you recommend a mass production harvester for black soldier fly larvae? ...
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Background The use of aquaculture feeds in Bangladesh has grown substantially in the past few years, and now over 1 million tonnes of commercial pelleted feed are being formulated for use by aquaculture farmers. An estimated further 0.4 million tonnes of locally-formulated and processed diets are also being prepared by small village-based feed-making enterprises. Rapid growth in use of formulated feeds has helped many...
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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
INTRODUCTION Aquaculture contributes to the livelihoods of the poor through improved food supply, employment and income opportunities. The Fisheries and Aquaculture Department (FAO) has defined the role of fish aquaculture which contributes to national food self-sufficiency through direct consumption and through trade and exports. Supposed to be not a major solution for food security,...
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INTRODUCTION Nutritionally balanced fish feeds generally contain fishmeal, soy products meal and wheat meal. Investigations for cheaper alternative feedstuffs as protein and energy source for fish diets have become a priority in order to produce low-cost pelleted feeds available for the small-scale farmers both in developed and developing countries. Continuously increasing demand for fish feed in Turkey pressures the consideration of every...
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Yeast postbiotics strengthen preventive management of S. agalactiae and A. hydrophila outbreaks in tilapia farming
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Introduction Many feed ingredients used in aquaculture have been found to be frequently contaminated (Cagauan et al., 2004) . At the present time, increased use of ingredients of plant origin in aquafeed formulations for fish culture has intensified the potential onset for aflatoxicosis in farming systems due to the carryover of high loads of aflatoxin contamination by vegetable sources (Murjani,...
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Digestion is described as the mechanical and chemical breakdown of food into metabolisable parts which can be used by the organism. In monogastric animals, including a wide variety of different fish species (ranging for instance from Salmon and trout via tilapia and seabass to Pangasius), the chemical breakdown is next to others achieved in the stomach through acidification. According to Wikipedia “A monogastric digestive...
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