Ngày tải lên: 29/03/2014, 18:20
Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 1 pptx
... scale for specific larviculture practices, including Brachionus rubens, Moina spp., daphnids, and decapsulated brine shrimp cysts for freshwater fish and prawn larvae, and Artemia biomass for ... industrial larviculture of fish and shellfish, readily and consistently available, practical and performing live diets need to be selected. The selection of a suitable and nutritious diet should ... any farming operation for fish and shellfish depends upon the availability of a ready supply of larvae or ‘seed’ for on-growing to market size. However, for many fish and shellfish species...
Ngày tải lên: 15/12/2013, 00:15
Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 2 doc
... (upper diagram) and for Bürker (down left corner). For both, count the cells in the square and those which touch the top and left border (·). Do not count the ones touching the right and lower border ... growth is largely influenced by food ration and the optimal ration for maximum growth depends upon the species and culture conditions of the algae making up the diet, and the bivalve culture conditions. ... ciliates. For this reason, airlines should be kept dry and both the air and the carbon dioxide should be filtered through an in-line filter of 0.3 or 0.5 àm before entering the culture. For larger...
Ngày tải lên: 15/12/2013, 00:15
Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 3 ppt
... cost for food. Apart from the increased cost for food, particular care has also to be paid to more frequent and smaller feeding distributions. This is essential for the maintenance of good ... 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 in batch cultures in concrete ... time and come to an equilibrium with a DHA/EPA level above 2 for rotifers submerged in Isochrysis and below 0.5 for Tetraselmis (Fig. 3.11.). However, the culture of microalgae as a sole diet for...
Ngày tải lên: 15/12/2013, 00:15
Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 4 pptx
... Wanigasekera, G., Simonek, S., Brownlee, D., Eiband, G. and Cowan, J. 1993. Ecological, physiological and genetic divergence of sexual and asexual (diploid and polyploid) brine shrimp (Artemia). Trends ... known to man for centuries, its use as a food for the culture of larval organisms apparently began only in the 1930’s, when several investigators found that it made an excellent food for newly- hatched ... the demand for Artemia cysts soon exceeded the offer and prices rose exponentially, turning Artemia into a bottleneck for the expansion of the hatchery aquaculture of marine fishes and crustaceans....
Ngày tải lên: 15/12/2013, 00:15
Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 5 docx
... Decapsulated cysts can be used as a direct energy-rich food source for fish and shrimp (see 4.2.4.). · For decapsulated cysts, illumination requirements for hatching would be lower. Table 4.2.3. Improved ... saturated brine and stored for later hatching or for direct feeding. They can be stored for a few days in the refrigerator at 0-4°C without a decrease in hatching. If storage for prolonged periods ... between -18°C and +4°C and between ± 33°C and ± 40°C, with the upper and lower temperature limits vary slightly from strain to strain. The active cyst metabolism is situated between +4°C and ±33°C;...
Ngày tải lên: 15/12/2013, 00:15
Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 6 docx
... frequent and even automated food distributions of an optimal live food. This appeared to be beneficial for fish and shrimp larvae as food retention times in the larviculture tanks can be reduced and ... fish Both live and frozen adult Artemia are used as food for aquarium fish species. Cysts are also purchased by these users and hatched for feeding as nauplii. Survival, vigor and pigmentation ... often not critical for crustacean larvae, which can capture and tear apart food particles with their feeding appendages. For marine fish larvae that have a very small mouth and swallow their...
Ngày tải lên: 15/12/2013, 00:15
Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 7 pptx
... therefore be less perceptible and attractive for the predators. Table 4.4.3. Artificial seawater formulations used for tank production of Artemia (ing.l -1 ). For the Dietrich and Kalle formulation, ... of dry food is the consistency of the food quality and supply, and the possibility for storage without loss of quality. It follows therefore that bulk products must be stored in a dry and preferentially ... juveniles and adults. Aquacultural Engineering 11: 107-119. Dhont J., Lavens, P. and Sorgeloos, P. 1993. Preparation and use of Artemia as food for shrimp and prawn larvae. In: CRC Handbook...
Ngày tải lên: 15/12/2013, 00:15
Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 8 pptx
... cyst material: 10 to 20 kg cysts for 100 l brine - mix thoroughly (e.g. strong aeration) for 5 to 10 min. and allow heavy debris to settle and cysts to float for 5 to 10 minutes - discharge ... construction and site selection. We will only summarize those aspects which should be specifically applied for Artemia pond culture. For more detailed information we refer the reader to specialized handbooks ... temperatures for Artemia (> 40°C) and promoting phytobenthos rather than the required phytoplankton. For integration of Artemia production, ponds should be deepened, dikes heightened and screens...
Ngày tải lên: 15/12/2013, 00:15
Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 9 pptx
... structures that serve for suspension feeding (filter feeders) and for locomotion. The anterior part of the trunk, the postabdomen is turned ventrally and forward and bears special claws and spines to ... technology and therefore have a high investment and energy cost. Since the intensive hatchery has to produce sufficient amounts of live food and keep the cultures on during periods of low demand, ... be very good for marine fish larvae, and believed to be of a higher quality than the commonly used live food Artemia. In general copepods have a high protein content (44-52%) and a good amino...
Ngày tải lên: 15/12/2013, 00:15
Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 10 pptx
... important for a normal growth and reproduction of Daphnia. Heterotrophic microflagellates and ciliates up to the size of Paramecium can also be used as food for Daphnia. Even detritus and benthic food ... structures that serve for suspension feeding (filter feeders) and for locomotion. The anterior part of the trunk, the postabdomen is turned ventrally and forward and bears special claws and spines to ... production and use of live food organisms as feed for the developing larvae. The present manual reviews and summarizes the latest developments concerning the production and use of the major live food...
Ngày tải lên: 15/12/2013, 00:15
Tài liệu Skin and Hair Health pptx
... thinners and aspirin can cause you to bruise more easily. Some antibiotics and vitamins make skin sunburn more easily. Skin and hair: Clues to overall health Healthy skin and hair are signs of good ... curls. Asian hair is typically round and thick. Caucasian hair may be fine and straight or thick and wavy. Natural oils from hair glands also affect the look and feel of your hair. Basic hair care ... pattern balding or thinning hair and/ or hirsutism. (See page 159 of the Reproductive Health chapter for more information on PCOS.) Skin and Hair Health 315 For More Information… Ofce on Women’s...
Ngày tải lên: 24/01/2014, 04:20
Tài liệu Skin and Hair Health docx
... bonus, good skin and hair care will help you to feel your best, too. Caring for your skin and hair Good skin and hair care involves: l eating a variety of healthy foods rich in vitamins and nutrients l keeping ... Body hair also alerts you to heat and touch. You can take steps to keep your skin and hair healthy. You can also look to your skin and hair for clues to your overall health. And, as a bonus, good ... 662-5874 Phoenix Society for Burn Survivors 1835 R W Berends Dr SW Grand Rapids, MI 49519-4955 Web site: www.phoenix-society.org Skin and Hair Health 305 Skin and Hair Health How our skin and hair look is...
Ngày tải lên: 13/02/2014, 06:20
Tài liệu Commodity Specific Food Safety Guidelines for the Lettuce and Leafy Greens Supply Chain ppt
... U.S. Food and Drug Administration. GAPs: This acronym stands for Good Agricultural Practices and synonymously refers to the “Guide to Minimize Microbial Food Safety Hazards for Fresh Fruits and ... washing must occur in food preparation areas that have: clean and sanitary food contact surfaces (e.g. colanders, knives, drying cloths, etc.), clean and sanitary preparer hands and an environment ... and Guide to Food Safety and Sanitation 13. National Restaurant Association Education Foundation ServSafeđ Food Safety Program 17 Commodity Specific Food Safety Guidelines for the Lettuce and Leafy...
Ngày tải lên: 21/02/2014, 08:20
Making Food Healthy and Safe for Children: How to Meet the Caring for Our Children: National Health and Safety Performance Standards; Guidelines for Early Care and Education Programs docx
... 145°F or above for fifteen seconds for fish and meat; 160°F for fifteen seconds for Making Food Healthy and Safe for Children, 2 nd Edition â The National Training Institute for Child Care ... the food preparation area, one for hand washing and the other for food preparation. 4.8.0.4 Separate sinks help keep food from being contaminated. Do not use the Making Food Healthy and Safe ... Benjamin, SE, ed. Making Food Healthy and Safe for Children: How to Meet the Caring for Our Children: National Health and Safety Performance Standards; Guidelines for Early Care and Education Programs....
Ngày tải lên: 07/03/2014, 04:20
FOOD AND BEVERAGE INDUSTRY MARKETING PRACTICES AIMED AT CHILDREN: DEVELOPING STRATEGIES FOR PREVENTING OBESITY AND DIABETES pdf
Ngày tải lên: 07/03/2014, 08:20
Daptomycin for Treatment of Complicated Skin and Skin Structure Infections pot
Ngày tải lên: 22/03/2014, 14:20