effect of antioxidant on their production and transfer of free radicals
Báo cáo khoa học: "Effect of yeast culture on milk production and metabolic and reproductive performance of early lactation dairy cows" docx
... influence of yeast culture supplementation on reproductive performance 0.50 Conclusion Based on the results of this investigation, supplementation with SC had an effect on milk protein and fat production, ... Wilkinson JID, Jonker LJ, Tarrant M, Jones AK, Hodge A: Effect of monensin on milk production of Holstein-Friesian dairy cows J Dairy Sci 2000, 83:2789-2794 Stokes SR, Goff JP: Evaluation of calcium ... HE, Leedle JAZ: Effects of a live yeast culture and enzymes on in vitro ruminal fermentation and milk production of dairy cows J Dairy Sci 1997, 80:2045-2051 Robinson PH: Effect of yeast culture...
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Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 1 pptx
... 4.4.2.7 Enrichment of ongrown Artemia 4.4.2.8 Control of infections 4.4.2.9 Harvesting and processing techniques 4.4.2.10 Production figures and production costs 4.4.3 Literature of interest 4.4.4 ... cultivation of fish and shellfish larvae under controlled hatchery conditions requires not only the development of specific culture techniques, but in most cases also the production and use of live ... the production and application of live food organisms as well as their application in larviculture The natural diet of most cultured fish and shellfish species consists of a wide diversity of...
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Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 2 doc
... shelf-life of Thalassiosira pseudonana concentrates from about 10 days to more than one year, which makes it possible to utilize excess and off-season algal production Outdoor pond production on a ... example the effect of the composition of the culture medium on the proximate composition of various species of micro-algae is demonstrated in Table 2.13 The protein content per cell, which is considered ... depends upon the species and culture conditions of the algae making up the diet, and the bivalve culture conditions Under practical hatchery conditions, high food rations are often fed, which may...
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Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 3 ppt
... temperature on the population dynamics of rotifers Table 3.1 Effect of temperature on the reproduction activity of Brachionus plicatilis (After Ruttner-Kolisko, 1972) Temperature (C) Time for embryonic ... temperature and the pH of the water High levels of un-ionized ammonia are toxic for rotifers but rearing conditions with NH3concentrations below mg.l-1 appear to be safe 3.5.1.6 Bacteria Pseudomonas and ... and mg KCl in 1 of deionized water The optimal pH is 6-8 at 25C, minimum oxygen levels are 1.2 mg.l-1 Free ammonia levels of to mg.l-1 inhibit reproduction Brachionus calyciflorus and Brachionus...
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Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 4 pptx
... screening of candidate strains and of eventual local populations, as well as the study of prevailing environmental conditions Uncontrolled introduction of Artemia may thus lead to a decrease of natural ... at first reproduction is a key factor determining the population growth rate, and the rate of colonisation of new environments with limited nutrient resources Consequently, if environmental preferences ... and Purser, S.M 1984 Partitioning genetic and environmental components of reproduction and lifespan in Artemia Ecology, 65(3): 949-960 Lavens, P and Sorgeloos, P 1987 The cryptobiotic state of...
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Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 5 docx
... start and consequent development of the population shortly after the re-establishment of favorable environmental conditions This allows effective colonization in temporal biotopes For the user of ... suspension) cysts usually release over 80% of their cellular water, and upon interruption of the aeration, the now coffeebean shaped decapsulated cysts settle out After harvesting of these cysts on ... aeration rate is a function of the tank size and the density of cysts incubated Excessive foaming can be reduced by disinfection of the cysts prior to hatching incubation and/ or by the addition of...
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Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 6 docx
... Kjorsvik, E And Olsen, Y 1992 Improvement of flat fish pigmentation through the use of DHA enriched rotifers and Artemia Poster presentation at the 5th International Symposium on Fish Nutrition and Feeding, ... disinfection 9:30 start hatching · Day 9:30 harvest and start enrichment 18:00 add second enrichment · Day - 9:30 harvest 4.4 Tank production and use of ongrown Artemia 4.4.1 Nutritional properties of ... by the same person or by various persons (Table 4.3.4.) For example, there was no reduction in variability when only one person handled the standard enrichment procedure instead of different people;...
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Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 7 pptx
... Enrichment of ongrown Artemia 4.4.2.8 Control of infections 4.4.2.9 Harvesting and processing techniques 4.4.2.10 Production figures and production costs 4.4.2.1 Advantages of tank production and tank ... installations for brine shrimp production Although the production of artificial seawater is expensive and labourintensive it may be cost-effective under specific conditions Examples of the composition ... (volume of sampled culture water)-1 4.5 Pond production 4.5.1 Description of the different Artemia habitats 4.5.2 Site selection 4.5.3 Pond adaptation 4.5.4 Pond preparation 4.5.5 Artemia inoculation...
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Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 8 pptx
... salt farms only operate during a few months, when the balance evaporation/precipitation is positive Salt production is abandoned during the rainy season, when evaporation ponds are often turned ... is one of the most common problems in fish/shrimp farms and even in large salt works construction of a small pilot unit at the selected site, prior to embarking on the construction of large pond ... Algae composition does not only influence growth and reproduction of the Artemia, but also has an effect on the nutritional value of the biomass and the cysts (e.g fatty acid composition) Algae numbers...
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Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 9 pptx
... of consumption, the normal practise is to concentrate and transport the harvested zooplankton in 50 l containers Under these conditions the survival of the zooplankton depends on the amount of ... oxygen, pH, light intensity and nutrient concentrations) and biotic (plankton concentrations and composition, fish biometrics and condition) parameters An example of a super-intensive tank system ... intensity, ) and biota (phytoplankton and copepod production, number of predators, bacterial turn-over, regeneration of nutrients from copepods and fish larvae) in such a way that the production of one...
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Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 10 pptx
... culture Daphnia under standard conditions, i.e overfertilization may occur, resulting in anoxic conditions and consequently in high mortalities and/ or ephippial production 6.1.4.3 Autotrophic ... blue-greens, flagellates and green algae, Daphnia performed best on a diet of the cryptomonads, Rhodomonas minuta and Cryptomonas sp., containing high levels of HUFA (more than 50% of the fatty acids ... dessication, freezing and digestive enzymes, and as such play an important role in colonizing new habitats or in the re-establishment of an extinguished population after unfavourable seasonal conditions...
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The impact of fodder trees on milk production and income among smallholder dairy farmers in East Africa and the role of research ppt
... section contains a summary and conclusion 2 The impact of fodder trees on milk production and income among smallholder dairy farmers in East Africa and the role of research Conceptual framework and ... of fodder shrubs on milk production and their value at the household and regional level and (2) the contribution of research by the World Agroforestry Centre toward strengthening the impact of ... level of formal education, degree of commercialization of their dairy enterprise (proportion of milk sold), perception that calliandra could enhance productivity, receipt of extension services and...
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Báo cáo nghiên cứu nông nghiệp " Training workshop on improved production and application of biopesticides " doc
... Appropriateness Conduct a workshop on biopesticide selection and identification, production and product quality control and application and integration into farming systems Review and improve research protocols, ... Outputs and Performance indicators Outputs Performance Indicators ♦ A workshop on biopesticide selection and identification, i) The production and product quality control and application and integration ... capacity of the Vietnamese institution, improve communication between participating institutions and identify priorities and develop a research plan for improving production and integration of biopesticides...
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Báo cáo y học: " The hidden universal distribution of amino acid biosynthetic networks: a genomic perspective on their origins and evolution" pptx
... 60 70 80 90 100 Average taxonomic distribution Figure Taxonomic distribution of amino acid biosynthesis Taxonomic distribution of amino acid biosynthesis Conservation of amino acid biosynthesis ... previous report on the importance of the retention of duplicated genes as groups, instead of as single entities, in the evolution of metabolism [16] The fourth reaction occurs spontaneously and does ... biosynthesis of at least 16 out of the 20 amino acids in early stages of evolution Additionally, we determined the contributions of biochemical functional alternatives to this core (paralogs, analogs, and...
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Mekong giant fish species on their management and biology
... raising and education on issues relating to the preservation of Mekong biodiversity and fish production However, the focus on individual species (which is a common feature of conservation projects) ... decline of the large species, in that increasing disruption of migration corridors as a result of construction of dams and weirs means fragmentation of existing habitats and isolation of sub-populations ... proposed construction of dams on the Mekong River Ichthyology Exploration of Freshwaters, 1992 (1): 37-48 28 Mekong giant fish species – on their management and biology Roberts T R & C Vidthayanon,...
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Báo cáo khoa học: " Bovine renal lipofuscinosis: Prevalence, genetics and impact on milk production and weight at slaughter in Danish cattle" pps
... prevalence of BRL stratified by age and breed; b) impact of BRL on total (lifelong) milk production; c) impact of BRL on milk yield in last full lactation; d) impact on weight at slaughter and e) ... sire and maternal grand sire Only combinations with more than one affected offspring were considered and only progeny above years of age were included Segregation patterns between affected and ... the analyses on milk production were 54.9 and 48.7 months, respectively Production data Descriptive statistics on slaughter weight and milk yield (305 day kg ECM and total lifelong kg ECM) are...
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A COMPUTATIONAL STUDY OF FREE RADICALS IN CHEMISTRY AND BIOLOGY
... the standard heats of formation of ONOO– and ONOOH which have not been experimentally ascertained 10 A study on the effects of solvation on the reaction of cis- and trans-ONOO– with CO2 is described ... Reactions Involving ONOO– and ONOOH Decomposition 3.4 Conclusion 66 68 Decomposition of Nitrosoperoxycarbonate Anion: Gas Phase and Solvent Modeled Studies 73 4.1 Introduction 73 4.2 Computational ... chapter four Formation of the nitrosoperoxycarbonate anion, ONOOCO2–, and its subsequent decomposition into NO2• and CO3•− free radicals have been attributed as a source of free radicals in biological...
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Báo cáo y học: " Role of free radicals in the pathogenesis of acute chest syndrome in sickle cell disease" pot
... of O2– formation is via the deoxygenation of hemoglobin During deoxygenation, there is a transfer of electrons between Fe and O2, leading to the production of O2– Auto-oxidation of hemoglobin, ... transendothelial migration of monocytes Additionally, we demonstrated that coincubation of plasma from ACS patients with bovine pulmonary artery endothelial cells resulted in formation of ONOO– within the ... Mechanism by which free radicals alter NO bioavailability and endothelial cell biology Under conditions of increased O2– production, NO preferentially forms ONOO– Both O2– and ONOO– can alter endothelial...
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Effect of periodic suction on three dimensional flow and heat transfer past a vertical porous plate embedded in a porous medium
... x-component and increases the magnitude of zcomponent of skin friction at the wall On the other hand, the effect of increasing suction parameter is to enhance the magnitude of both the components of ... Conclusion From the above analysis, we summarize the following results of physical interest on the velocity and temperature of the flow field and also on skin friction and the rate of heat transfer ... xcomponent and increases the magnitude of z-component of skin friction at the wall The effect of ISSN 2076-2895 (Print), ISSN 2076-2909 (Online) ©2010 International Energy & Environment Foundation...
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Tìm thêm: xác định các mục tiêu của chương trình xác định các nguyên tắc biên soạn khảo sát các chuẩn giảng dạy tiếng nhật từ góc độ lí thuyết và thực tiễn khảo sát chương trình đào tạo của các đơn vị đào tạo tại nhật bản khảo sát chương trình đào tạo gắn với các giáo trình cụ thể tiến hành xây dựng chương trình đào tạo dành cho đối tượng không chuyên ngữ tại việt nam điều tra đối với đối tượng giảng viên và đối tượng quản lí điều tra với đối tượng sinh viên học tiếng nhật không chuyên ngữ1 khảo sát thực tế giảng dạy tiếng nhật không chuyên ngữ tại việt nam mở máy động cơ lồng sóc mở máy động cơ rôto dây quấn các đặc tính của động cơ điện không đồng bộ hệ số công suất cosp fi p2 đặc tuyến hiệu suất h fi p2 đặc tuyến mômen quay m fi p2 động cơ điện không đồng bộ một pha phần 3 giới thiệu nguyên liệu từ bảng 3 1 ta thấy ngoài hai thành phần chủ yếu và chiếm tỷ lệ cao nhất là tinh bột và cacbonhydrat trong hạt gạo tẻ còn chứa đường cellulose hemicellulose chỉ tiêu chất lượng theo chất lượng phẩm chất sản phẩm khô từ gạo của bộ y tế năm 2008 chỉ tiêu chất lượng 9 tr 25