Tài liệu CONVENTION ON THE PROTECTION AND USE OF TRANSBOUNDARY WATERCOURSES AND INTERNATIONAL LAKES doc

Ngày tải lên: 18/02/2014, 04:20

... 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 ... impact on the microbial populations in the associated culture medium and eventually in the fish/shrimp’s gut flora, and consequently on the health status...

Ngày tải lên: 15/12/2013, 00:15

... Alternatively, the isolation of endemic strains could be considered because of their ability to grow under the local environmental conditions. Isolation of algal species is not simple because of the small ... vary considerably according to the culture conditions. For example the effect of the composition of the culture medium on the proximate composition of...

Ngày tải lên: 15/12/2013, 00:15

... 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 rotifers. Orientating concentrations ... microalgae and at the same time guarantees the incorporation of high levels of EFA and vitamins in the rotifers. The biochemical composition of the artifi...

Ngày tải lên: 15/12/2013, 00:15

... Introduction Among the live diets used in the larviculture of fish and shellfish, nauplii of the brine shrimp Artemia constitute the most widely used food item. Annually, over 2000 metric tons of ... exploitation. In: Book of abstracts of contributions presented at the International Conference “Improvement of the commercial production of marine aquaculture s...

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 ... B., Zhu, L. and Sorgeloos, P. 1994. International Study on Artemia. L. Review of the literature on Artemia from salt lakes in the People’s Republic of China. Inte...

Ngày tải lên: 15/12/2013, 00:15

... 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 ... enhanced the survival of P. monodon PL-15 and the osmotic resistance of PL-10. This has recently been confirmed with the production characteristics of P. monodon P...

Ngày tải lên: 15/12/2013, 00:15

... influence the feeding behavior of Artemia by affecting the filtration rate, ingestion rate and/ or assimilation: including the quality and quantity of the food offered, the developmental stage of the ... axenic conditions. As a consequence the nutritional composition of the diet does not play the most critical role in the selection of diets suitable for high...

Ngày tải lên: 15/12/2013, 00:15

... usually depends on the availability of high saline water and is often limited to certain periods of the year. Management of these ponds is similar to the management of the Artemia ponds in artisanal ... as the water flow into the ponds is much higher than the outflow (usually ponds are only drained at the end of the culture season). Making use of gravity...

Ngày tải lên: 15/12/2013, 00:15

... 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 ... to the place of consumption, the normal practise is to concentrate and transport the harvested zooplankton in 50 l containers. Under these condi...

Ngày tải lên: 15/12/2013, 00:15