Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 7 pptx

... 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...

Ngày tải lên: 15/12/2013, 00:15

... 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...

Ngày tải lên: 15/12/2013, 00:15

... par India Bombay Bahinder - - Kelambakkam - - India Madras Vedaranyam - - Veppalodai - - Pattanamaruthur - - Spic Nagar - - Thirespuram - - Karsewar Island - - Saltwater springs P A. ... North America and seemed to be unlimited. However, with the expansion of aquaculture production in the 1 970 ’s, the demand for Artem...

Ngày tải lên: 15/12/2013, 00:15

... 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...

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 ... along distribution pipes to the place of consumption, the normal practise is to concentrate and transport the harvested zooplankton in 50 l con...

Ngày tải lên: 15/12/2013, 00:15

... 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 ... under controlled hatchery conditions requires not only the development of specific culture techniques, but in most cases also the production and use of...

Ngày tải lên: 15/12/2013, 00:15

... The nutritional value of micro-algae can vary considerably according to the culture conditions. For example the effect of the composition of the culture medium on the proximate composition ... 0.4 1 0-1 5 5-1 50 10 2 -1 0 5 Speirs Levy 4.10 3 0.2 1 0-2 0 5 -7 5 10 4 -1 0 7 Improved Neaubouer 2.10 4 0.1 2 0-4 0 (phase) 2-3 0 10 4 -1 0 7 P...

Ngày tải lên: 15/12/2013, 00:15

... 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 ... 250 - 300 0. 37 92 - 110 300 - 350 0.33 100 - 1 17 350 - 400 0.30 105 - 120 400 - 450 0. 27 1 07 - 120 450 - 500 0.23 105...

Ngày tải lên: 15/12/2013, 00:15

... .002 .001 17 .001 .001 .001 .001 .001 .001 18 - .001 .001 .001 .001 .001 19 - - .001 .001 - - 20 subtract correction from measured density - - - - - - 21 - - .001 .001 .001 - 22 .001 .001 ... during the first two weeks, the use of decapsulated cysts constitutes a saving of over one third in the amount of Artemia cysts used, c...

Ngày tải lên: 15/12/2013, 00:15

... 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 r...

Ngày tải lên: 15/12/2013, 00:15