Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 6 docx

... 2.5 1 3-1 6 2. 7-3 .0 1 7-1 9 5. 0-7 .0 2-5 2 0-2 3 3. 0-4 .3 3-1 1 5-7 2 4-2 7 0 1 4-1 7 7-1 0 2 8-2 9 1 7-2 0 1 0-1 5 3 0-3 4 20 1 0-1 5 1 0-1 5 3 5-3 7 20 0 2 0-3 0 3 8-4 1 0.05 20 3 0-4 0 Start of weaning 2 0-1 5 4 0-5 0 ... enhanced the survival of P. monodon PL-15 and the osmotic resistance of PL-10. This has recen...

Ngày tải lên: 15/12/2013, 00:15

... over 80% of their cellular water, and upon interruption of the aeration, the now coffee- bean shaped decapsulated cysts settle out. After harvesting of these cysts on a mesh screen they should ... during the first two weeks, the use of decapsulated cysts constitutes a saving of over one third in the amount of Artemia cysts used, compared to the use of liv...

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... presentation of material in this publication do not imply the expression of any opinion whatsoever on the part of the Food and Agriculture Organization of the United Nations concerning the legal ... permission of the copyright owner. Applications for such permission, with a statement of the purpose and extent of the reproduction, should be addressed...

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... (22:6n-3, DHA), is of major importance in the evaluation of the nutritional composition of an algal species to be used as food for marine organisms. The fatty acid composition of 10 species of ... diets either as a supplement or as the main food source. These various aspects of the production, use and substitution of micro-algae in aquaculture will be t...

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... survived the passage of the intestinal tract of the rotifers are killed as well. The concentration of the disinfection products differs according to their toxicity and the initial condition of the ... Introduction Among the live diets used in the larviculture of fish and shellfish, nauplii of the brine shrimp Artemia constitute the most widely used...

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... par India Bombay Bahinder - - Kelambakkam - - India Madras Vedaranyam - - Veppalodai - - Pattanamaruthur - - Spic Nagar - - Thirespuram - - Karsewar Island - - Saltwater springs P A. ... Introduction Among the live diets used in the larviculture of fish and shellfish, nauplii of the brine shrimp Artemia constitute the...

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... ration at a maximum concentration of 200 g food. l -1 . Even at these concentrations, the food suspension is so thick that the risk for clogging of the food lines is quite high. It follows The ... evaluation of dry food is the consistency of the food quality and supply, and the possibility for storage without loss of quality. It follows therefore...

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... predators from 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. ... bottom, they should only be used for a limited period of time. Recommended levels of organic manure are 0.5 to 1.25 ton.ha -1 at the start of the pro...

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... However, one should be aware that the greater the surface area of the net the more effective and rapid the filtration. Hence, the upper limit of the dimensions of the nets depends on the ease of handling ... along distribution pipes to the place of consumption, the normal practise is to concentrate and transport the harvested zooplankton in 50 l con...

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... meet the needs of aquaculture workers of member countries for the synthesis of information in the field of aquaculture nutrition and feed development. 300 and depends largely upon the size of ... extinguished population after unfavourable seasonal conditions. 6. 1.2. Nutritional value of Daphnia The nutritional value of Daphnia depends strongly on th...

Ngày tải lên: 15/12/2013, 00:15