The temperature of the refrigerator preservation layer is around 3-7 degrees, which can reduce the activity rate and metabolism of the crabs, in addition, the high humidity inside the refrigerator is conducive to the crabs to maintain the body's wetness, and both live and boiled crabs can be placed in the refrigerator for preservation, it is the most convenient place to preserve crabs.
1, live crab preservation method
First of all, pick out the more vigorous crab for retention, and then use cotton rope to the crab's feet and pincers bundled up, so as to reduce the crab's physical exertion, and then you can prepare a wet towel to cover the crab, and then put the sea crab into the refrigerator freezer to save or directly to the bundled crab into the freezer layer to save, the general refrigerated storage can store for about 2-3 days, while freezing will keep them for about 2 months.
2
Aquatic preservation
Aquatic preservation of crabs in bathtubs or buckets, etc., so that the crabs think that they are still in the water, so that the crabs can be preserved in the short term for about 1 week or so.
Specific methods
1, ready a bathtub or bucket and other items, the requirements of the items around the smooth, the height of more than 50 centimeters, to avoid the sea crabs climbed out to run away.
2, then select the live crabs with full vigor, put them into the bathtub or bucket, and then add seawater or fresh salt water that can not pass through the crabs, usually the ratio of water to salt is 100:1.
3, in order to ensure that the crabs can survive in the bathtub and bucket, you need to do a good job of feeding, according to the amount of crabs every day, divided into two or three times. Put in the right amount of bait, usually fresh small fish and shrimp.
Note: the amount of water added can not be too high, so as not to prevent the crab can not breathe, resulting in death, in addition is not also need to watch the crab is not dead, if it is dead to pick out the dead crab, so as not to produce germs, resulting in large-scale death.