3, you can put the crayfish in a large pot, a large pot to put 2-3 centimeters of water can be, above the cloth cage or do not want to cover the thin clothes to avoid the crayfish escape can be, as long as they change the water can be, so you can save a long time. 4, with the mesh pocket will be loaded with crayfish spread out, placed in the shade of the cooler places, you can add a little bit of water in moderation, but can not let the water will not be drowned in all the crawfish, which will lead to a lack of water, and the crayfish will be inundated. This will lead to the death of crayfish hypoxia. Also can not sunlight to the crayfish, keep moist on it.
Crayfish selection techniques:
1, look at the appearance
Regular channels of cultivated crayfish, are head: body = 1:1 ratio, and the color is bright red shiny, abdominal hair and claw hair are clean, the abdomen is white; and sewage grown in the crayfish, generally is the head of the body of the body is small, and the color of the reddish-brown or dark red, and the abdominal hair, claw hair and the head will be dirty, and even parasites.
2, smell
Regular channels of cultivation of crayfish, it smells like an aquatic fishy smell; while the sewage grew up in the crayfish, in addition to the normal smell of fishy, will be accompanied by rusty metal or rotting meat stinks of taste.
3, pinch the shell
Regular channels breeding crayfish, the head is generally fuller, the meat is tighter, but the shell is relatively thin and crisp, the abdomen pinched up elasticity; and sewage growth of crayfish, the head will be relatively small, and the shell is thicker than the meat, and some of the crayfish will also soften, such a determined not to eat.