Tài liệu CONVENTION ON THE PROTECTION AND USE OF TRANSBOUNDARY WATERCOURSES AND INTERNATIONAL LAKES doc
Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 1 pptx
... 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 and the digestive capability of the larva ... permission of the copyright owner. Applications for such permission, with a statement of the purpose and extent of the reproduction, should be addressed to the Director, Information Division, Food...
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Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 2 doc
... 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 various species of micro-algae is demonstrated ... inoculation and early growth period. Because the density of the desired phytoplankton is low and the concentration of nutrients is high, any contaminant with a faster growth rate is capable of outgrowing...
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Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 3 ppt
... 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 artificial diet Culture Selco® consists of 45% ... 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...
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Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 4 pptx
... 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 species”. G. Gajardo and P. Coutteau ... North America and seemed to be unlimited. However, with the expansion of aquaculture production in the 1970’s, the demand for Artemia cysts soon exceeded the offer and prices rose exponentially,...
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Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 5 docx
... 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. International Journal of Salt Lake ... saving of over one third in the amount of Artemia cysts used, compared to the use of live nauplii. Table 4.2.4. The proximate composition (in % of dry matter) of decapsulated Artemia cysts and...
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Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 6 docx
... 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 PL-10 and PL-20 being significantly ... and may be satisfied through the consumption of seawater, the main concern regarding the mineral composition of Artemia is whether they meet the requirements of fish or crustacean larvae reared...
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Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 7 pptx
... 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 density culture of brine shrimp. Other ... siphoning from the bottom of the tank. A last step in the purification process may be disinfection by U.V. radiation, but, there is no absolute proof of its effectiveness in the culture of...
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Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 8 pptx
... 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 or tidal currents to fill the ponds, ... accumulates on the pond 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 production season with...
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Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 9 pptx
... 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 conditions the survival of the zooplankton depends on ... in the harvest of this live food compared to the infrastructure and production costs of the live food items discussed earlier. On the other hand, there are also major drawbacks in the use of...
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Từ khóa: convention on the protection of the marine environment of the baltic sea area 1992 helsinki conventionconvention on the protection of the marine environment of the baltic sea area 1974convention on the protection of the marine environment of the baltic sea area 1992convention on the protection of the marine environment of the baltic sea areaseals from annex e 1 of the amended international convention on the simplification and harmonization of customs procedures revised kyoto conventionconvention on the rights of indigenous and tribal peoplesNghiên cứu sự hình thành lớp bảo vệ và khả năng chống ăn mòn của thép bền thời tiết trong điều kiện khí hậu nhiệt đới việt namđề thi thử THPTQG 2019 toán THPT chuyên thái bình lần 2 có lời giảiGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitNGHIÊN CỨU CÔNG NGHỆ KẾT NỐI VÔ TUYẾN CỰ LY XA, CÔNG SUẤT THẤP LPWAN SLIDEPhối hợp giữa phòng văn hóa và thông tin với phòng giáo dục và đào tạo trong việc tuyên truyền, giáo dục, vận động xây dựng nông thôn mới huyện thanh thủy, tỉnh phú thọPhát triển mạng lưới kinh doanh nước sạch tại công ty TNHH một thành viên kinh doanh nước sạch quảng ninhNghiên cứu tổng hợp các oxit hỗn hợp kích thƣớc nanomet ce 0 75 zr0 25o2 , ce 0 5 zr0 5o2 và khảo sát hoạt tính quang xúc tác của chúngNghiên cứu khả năng đo năng lượng điện bằng hệ thu thập dữ liệu 16 kênh DEWE 5000Sở hữu ruộng đất và kinh tế nông nghiệp châu ôn (lạng sơn) nửa đầu thế kỷ XIXTranh tụng tại phiên tòa hình sự sơ thẩm theo pháp luật tố tụng hình sự Việt Nam từ thực tiễn xét xử của các Tòa án quân sự Quân khu (Luận văn thạc sĩ)Giáo án Sinh học 11 bài 15: Tiêu hóa ở động vậtGiáo án Sinh học 11 bài 15: Tiêu hóa ở động vậtGiáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtGiáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtGiáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtBÀI HOÀN CHỈNH TỔNG QUAN VỀ MẠNG XÃ HỘIChiến lược marketing tại ngân hàng Agribank chi nhánh Sài Gòn từ 2013-2015Đổi mới quản lý tài chính trong hoạt động khoa học xã hội trường hợp viện hàn lâm khoa học xã hội việt namHIỆU QUẢ CỦA MÔ HÌNH XỬ LÝ BÙN HOẠT TÍNH BẰNG KIỀM