The simple panning method of Artemia eggs

Artemia is a good food for fish, shrimp and crabs. In recent years, due to overfishing, the production of Artemia eggs has been declining year by year. The obtained Artemia eggs also contain a lot of silt and sand and hatched eggs for Artemia. Bring some difficulties. In order to remove the sediment in the Artemia eggs, the harvesters often use sieve cloth to screen for Artemia eggs. The Artemia eggs screened in this way are of low purity and still contain some fine sediment, and the efficiency is very low. If salty solution is used for panning Artemia eggs, the sediment contained in eggs can be removed at a time to obtain high purity Artemia eggs, and the operation is simple and efficient. The operation is as follows: First, the volume is 5 cubic meters. Add about 2% salt solution (water solution temperature is 20°C~22°C) to the solution of ~10 cubic meter concrete cement tank or water tank of 0.5 cubic meter to 1 cubic meter or other large container. Do not exceed 2/3 of the container volume, then place Artemia eggs containing sediment (occasion volume is slightly less than 1/3 of the container volume) and mix the Artemia eggs thoroughly with wooden sticks or other tools. In the solution, let stand for 5 minutes to 10 minutes to completely separate the eggs from the sediment. Then use a flat-bottomed hand-dip net (made of 40-mesh sieve cloth) to gently grab the Artemia eggs floating on the surface of the salt solution. Stir the bottom of the pool with a wooden stick to resuspend the egg that has fallen into the bottom of the pool because of mixing into the sediment. Let it rest for a few minutes and then gently lift the eggs. Repeat this several times until the eggs are completely separated from the sediment. come out. The dried Artemia eggs were put into bags after being dried, and the sediment sinking into the bottom was removed at the same time, and then the next batch of Artemia eggs was panned. Each time you use a salt solution, the number of pan-Amoy eggs used for panning should be determined by the amount of sediment contained in the Artemia eggs. The content is large and the number of uses is small. Otherwise, it can be used multiple times. Generally 2 to 4 times can be used.

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