Appendix II. Decapsulation Procedure for. Artemia Cysts. Hydration. 1. Hydrate cysts by placing them for 1h in water (less than g l 1), with aeration, at 25°C. In order to ensure the highest nutritional value, Artemia cysts should be decapsulated prior to hatching. This will disinfect the cysts, remove the. The present paper describes the technology developed by the authors for the routine decapsulation of Artemia cysts. The advantages which.

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The salt will dehydrate the eggs. At this stage, decapsulated eggs will have sunk to the bottom of the plastic container.


aartemia This is done by dissolving as much salt in warm water as you can. Thoroughly rinse until the odor of bleach is gone. Eggs decapsulated by either process give the same result. We fill it to only ml versus ml 1 liter so there is more room in the cone. Decapsulation of brine shrimp eggs was originally carried out with sodium hydroxide and sodium hypochlorite at the Chacheongsao Fisheries Station.

Decapsulated Brine Shrimp | Salt Lake Brine Shrimp

Be sure the aeration is minimal as to reduce foaming. Filtering and neutralizing Decapsulated Brine Shrimp. Wash them with several changes of clean water to remove the smell and decapssulation of dissolved chemicals.


Dry artemia eggs are deflated like bean seeds and change into a round shape when completely hydrated.

This may take minutes depending on the egg hatch-out, harvest year, etc and sodium hypochlorite solution…however it is more important to watch the coloration than the minutes. This site uses cookies. This should keep for several days. The sole purpose of links to non-FAO sites is to indicate further information available on related topics. Aeration of both water and eggs must be continuous to re-hydrate the eggs fully.

Then put the eggs in a solution of sodium thiosulphate Na 2 S 2 O 3. Store the decapsulated egg in the solution and put it in your fridge.

Artemia eggs can be preserved in this manner for a long time. FAO declines all responsibility for any discrepancies that may exist between the present document and its original printed version. Turn on the aeration, making sure it is aerating from the bottom.

Once the orange color is reached the reaction must be neutralized. The decapsulation will be more effective when the egg does not have the dimple. Additionally, the shells tend to cause water pollution and act as a carrier of disease. Introduce the artemia eggs into plastic containers. Hydrated Cysts are ready for Sodium Hypoclorite Bleach.


Stir until mixed thoroughly. To store the decapsulated brine shrimp make a saturated salt solution using a pop bottle.

Pour off the water produced and store the eggs in shade at normal room temperatures. Brine shrimp harvesting companies decapslation produce the non-hatching decapsulated artemia, and sale them as a non-hatching ingredient to aquaculture feed producers that make flake and pellet feeds.

Improvement in the decapsulation of Artemia cysts. The size of the egg is approximately — microns. Artemia eggs which have been decapsulated have a higher hatching efficiency than those which are not decapsularion.

The artemia is a very tiny animal which has no shell. This electronic document has been scanned using optical character recognition OCR software. Wash the eggs in the decxpsulation bag with water once more.