Ngày tải lên: 05/09/2013, 10:15
Ngày tải lên: 05/09/2013, 10:17
Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 1 pptx
... Literature of interest BACK COVER PREPARATION OF THIS DOCUMENT The success of any farming operation for fish and shellfish depends upon the availability of a ready supply of larvae or ‘seed’ for ... and use of live food organisms as feed for the developing larvae. The present manual describes the major production techniques currently employed for the cultivation of the major types of live ... 5.2.6. Use of resting eggs 5.2.7. Applications in larviculture 5.3. Mesocosm systems 5.3.1. Introduction 5.3.2. Types of mesocosms 5.3.2.1. Pold system (2-60 m³) 5.3.2.2. Bag system (50-200...
Ngày tải lên: 15/12/2013, 00:15
Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 2 doc
... culture performance. Despite extensive research efforts, the use of artificial diets in the culture of bivalve molluscs is still very limited. The advantages and disadvantages of each of the three ... commercial rearing of various species of marine animals as a food source for all growth stages of bivalve molluscs, larval stages of some crustacean species, and very early growth stages of some fish ... composition of 16 species of microalgae used in mariculture. Aquaculture, 145: 79-99. Brown, M.R. and Miller, K.A. 1992. The ascorbic acid content of eleven species of microalgae used in mariculture....
Ngày tải lên: 15/12/2013, 00:15
Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 3 ppt
... 60% of that of a normal adult female, Fig. 3.17.), are ideal for storage and transport and can be used as inocula for mass cultures. Mass production of rotifers for cyst production is performed ... generations of offspring before they eventually die. The reproduction activity of Brachionus depends on the temperature of the environment as illustrated in Table 3.1. The life cycle of Brachionus ... rotifers are rinsed, a small part is used for maintenance of the stock, and the remaining rotifers can be used for upscaling. Furthermore, after some months of regular culture the stock cultures...
Ngày tải lên: 15/12/2013, 00:15
Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 4 pptx
... being developed for oral delivery of vitamins, chemotherapeutics and vaccines. Furthermore, a better knowledge of the biology of Artemia was at the origin of the development of other Artemia ... of survival, growth and success of metamorphosis of many species of fish and crustaceans, but also with regard to their quality, e.g. reduced incidence of malformations, improved pigmentation ... reproductive mode and potential for exploitation. In: Book of abstracts of contributions presented at the International Conference “Improvement of the commercial production of marine aquaculture species”....
Ngày tải lên: 15/12/2013, 00:15
Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 5 docx
... 4.2.4. Direct use of decapsulated cysts The direct use of Artemia cysts, in its decapsulated form, is much more limited in larviculture of fish and shrimp, compared to the use of Artemia nauplii. ... higher than for instar I nauplii (see 4.2.3.; Fig. 4.3.4.). For example, for the culture of carp larvae during the first two weeks, the use of decapsulated cysts constitutes a saving of over one ... result of the metabolic characteristics of hydrated cysts, a number of recommendations can be formulated with regard to their use. When cysts (both decapsulated and non-decapsulated) are stored for...
Ngày tải lên: 15/12/2013, 00:15
Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 6 docx
... all over the world for enhancing the nutritional value of Artemia with essential fatty acids. Figure 4.3.7. Schematic diagram of the use of Artemia as vector for transfer of specific components ... Installation of automated systems simplify production techniques in commercial operations, (i.e. by the use of a concentrator/rinser; Fig 4.3.2.) that enables fast harvesting of large volumes of Artemia ... shading the upper part of the hatching tank (use of cover) and focusing a light source on the transparent conical part of the bottom. Nauplii should not be allowed to settle for too long (i.e.,...
Ngày tải lên: 15/12/2013, 00:15
Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 7 pptx
... seawater formulations used for tank production of Artemia (ing.l -1 ). For the Dietrich and Kalle formulation, solutions A and B are prepared separately, then mixed and strongly aerated for 24h. ... and adults are used as a nursery diet not only for their optimal nutritional value but also for energetic advantages as well. For example, when offered large Artemia instead of freshly-hatched ... production capacities. Application of an that takes profit of the specific aspects of ongrown Artemia: instead of adding the enrichment emulsion at the end of the culture, it is distributed...
Ngày tải lên: 15/12/2013, 00:15
Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 8 pptx
... ponds are often turned into fish/shrimp ponds. for dilution due to release of water from the cysts. - for a low ratio of cysts to brine (e.g. use of brine ponds or large tanks), exchange of brine ... (degradation of organic matter by bacteria) and the nutrient level in the intake water, nitrogen often limits algae growth. The use of nitrogen fertilizers is therefore widespread. Four types of inorganic ... entering the culture ponds. The same type of filters as described for large salt operations can be used. Moreover, the small size of the ponds allows the use of so-called filter boxes. In such a...
Ngày tải lên: 15/12/2013, 00:15
Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 9 pptx
... weight of Tigriopus can be harvested during 89 days at maximal densities of 22,000 animals.l -1 ; the amount of yeast used for a 1 kg production of Tigriopus being 5 to 6 kg. 5.2.6. Use of resting ... value of Daphnia 6.1.3. Feeding and nutrition of Daphnia 6.1.4. Mass culture of Daphnia 6.1.5. Production and use of resting eggs 6.1.6. Use of Moina 6.1.1. Biology and life cycle of Daphnia ... start to decay. It is useless to administer these dead animals because the fish will refuse it and their decomposing bodies will spoil the water quality of the rearing system. For this reason, dead...
Ngày tải lên: 15/12/2013, 00:15
Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 10 pptx
... value of Daphnia 6.1.3. Feeding and nutrition of Daphnia 6.1.4. Mass culture of Daphnia 6.1.5. Production and use of resting eggs 6.1.6. Use of Moina 6.1.1. Biology and life cycle of Daphnia ... and use of resting eggs Resting eggs are interesting material for storage, shipment and starting of new Daphnia cultures. The production of resting eggs can be initiated by exposing a part of ... used to fortify the nematodes with therapeutics (bio-medication). For example, nematodes can be placed in 1 l beakers with 500 ml of fresh artificial seawater and 5 g of Romet-30 premix (Hoffman...
Ngày tải lên: 15/12/2013, 00:15
Tài liệu EXCESSIVE USE OF COMPANY PHONES FOR PERSONAL CALLS pptx
Ngày tải lên: 21/12/2013, 01:19
Báo cáo khoa học: "Improving the Use of Pseudo-Words for Evaluating Selectional Preferences" docx
... view of the AFRL. Thanks to Sebastian Pad ´ o, the Stanford NLP Group, and the anonymous reviewers for very helpful sugges- tions. 452 • Train x2: Years 2001 and 2002 of the NYT portion of the ... report backoff scores for Google and Erk. These consist of always choosing the Base- line if it returns an answer (not a guessed unseen answer), and then backing off to the Google/Erk result for Baseline ... Burnard. 1995. User Reference Guide for the British National Corpus. Oxford University Press, Oxford. Ido Dagan, Lillian Lee, and Fernando C. N. Pereira. 1999. Similarity-based models of word cooccur- rence...
Ngày tải lên: 07/03/2014, 22:20
Programmatic update Use of Antiretroviral Drugs for Treating Pregnant Women and Preventing HIV Infection in Infants pptx
... disease (approximately 40–50% of all HIV-infected pregnant women) on ART for life for their own health as well as for the prevention of infant HIV infection. For women with CD4 counts >350 ... both for PMTCT and as the first-line national ART regimen for non-pregnant individuals. The ability to use the same regimen for PMTCT and for first-line ART considerably simplifies drug forecasting, ... clinic setting but also continuing this therapy for all of these women for life. Important advantages of Option B+ include: further simplification of regimen and service delivery and harmonization...
Ngày tải lên: 08/03/2014, 15:20
Expansion of Operating Limits for Permanent Magnet Motor by Current Vector Control
... Associate Professor. Dr. Takeda is a member of the Institute of Elec- trical Engineers of Japan, the Institute of Systems, Control and Information Engineers, and the Japan Society for Power ... Department of Electri- cal Engineering at the University of Osaka Prefec- ture, engaged in research on inverter systems and ac servo control systems. Mr. Morimoto is a member of the Institute of ... pio = leakage permeance of ar- mature, MORIMOTO et al.: EXPANSION OF OPERATING LIMITS FOR PERMANENT MAGNET MOTOR 867 To examine the demagnetization of the permanent magnet due...
Ngày tải lên: 08/03/2014, 22:01
Báo cáo khoa học: Use of biomolecular templates for the fabrication of metal nanowires ppt
Ngày tải lên: 16/03/2014, 12:20
Towards a safer use of the Internet for children in the EU – a parents’ perspective ppt
Ngày tải lên: 29/03/2014, 19:20