training manual on the human rightsof persons with disability

... Organization of the United Nations Rome, 1996 The designations employed and the presentation of material in this publication do not imply the expression of any opinion whatsoever on the part of the ... Applications for such permission, with a statement of the purpose and extent of the reproduction, should be addressed to the Director, Information Division, Food an...

Ngày tải lên: 15/12/2013, 00:15

... inoculation hood (right). A common source of contamination is the condensation in the airlines which harbor ciliates. For this reason, airlines should be kept dry and both the air and the carbon ... 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 mi...

Ngày tải lên: 15/12/2013, 00:15

... 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 ... the overhead tank only contains water the flow rate can be adjusted without danger of clogging. The dimensions of the tank should be made as such that the complete content of th...

Ngày tải lên: 15/12/2013, 00:15

... However, with the expansion of aquaculture production in the 1970’s, the demand for Artemia cysts soon exceeded the offer and prices rose exponentially, turning Artemia into a bottleneck for the ... parthenogenetic Artemia. Age at first reproduction is a key factor determining the population growth rate, and the rate of colonisation of new environments with limited nutrie...

Ngày tải lên: 15/12/2013, 00:15

... solution. During overnight dehydration (with aeration to maintain a homogeneous suspension) cysts usually release over 80% of their cellular water, and upon interruption of the aeration, the ... below expectation, the dose should be modified (raised or lowered) by altering the concentration and/or the incubation time; solutions in the range 1 to 10% and incubation times in t...

Ngày tải lên: 15/12/2013, 00:15

... composition of Artemia nauplii, even if they are enriched by the same person or by various persons (Table 4.3.4.). For example, there was no reduction in variability when only one person handled the ... boosting with DHA during the early larval stages has to be considered with extreme care since the requirements of the larvae may not only depend upon their ontogenetic stag...

Ngày tải lên: 15/12/2013, 00:15

... 4.5. Pond production 4.5.1. Description of the different Artemia habitats 4.5.2. Site selection 4.5.3. Pond adaptation 4.5.4. Pond preparation 4.5.5. Artemia inoculation 4.5.6. Monitoring ... ingestion rate and/or assimilation: including the quality and quantity of the food offered, the developmental stage of the larvae, and the culture conditions. More detailed inform...

Ngày tải lên: 15/12/2013, 00:15

... is concentrated in one pond. All other ponds are re-filled with sea water, which once again is evaporated and concentrated in a second pond. This process is repeated until a series of ponds ... 4.5. Pond production 4.5.1. Description of the different Artemia habitats 4.5.2. Site selection 4.5.3. Pond adaptation 4.5.4. Pond preparation 4.5.5. Artemia inoculation 4.5.6. Monitorin...

Ngày tải lên: 15/12/2013, 00:15

... transport the harvested zooplankton in 50 l containers. Under these conditions the survival of the zooplankton depends on the amount of oxygen dissolved in the remaining water. At a concentration ... considerably with the survival of these fragile organisms. If it is impossible to convey the material continuously along distribution pipes to the place of consumption,...

Ngày tải lên: 15/12/2013, 00:15

... extinguished population after unfavourable seasonal conditions. 6.1.2. Nutritional value of Daphnia The nutritional value of Daphnia depends strongly on the chemical composition of their food source. ... from the incubation suspension by pouring the content of the incubation tank on a submerged 35 µm sieve. After washing with pure preheated seawater the trochophora larva...

Ngày tải lên: 15/12/2013, 00:15