Don't eat dead crabs. Once the crab dies, the bacteria in the body will multiply and decompose the crab meat, and some bacteria will also produce toxins. People who eat such crabs will cause food poisoning, and the common manifestations are nausea and vomiting, abdominal pain and diarrhea; In severe cases, dehydration, even shock and septicemia may occur.
Don't eat raw crabs. Crabs are omnivorous animals, live in the bottom of the water, like to eat dead fish, dead shrimp and other corrupt animal carcasses, and are easy to carry pathogenic bacteria in their bodies. Especially river crabs, most of them grow in dirty ponds, and there are a lot of germs on crab shells.
Some people like to eat drunken crabs and enjoy the freshness of crab meat, but not all bacteria carried by crabs can be killed by alcohol in liquor, so don't be greedy for raw crabs, and be sure to cook them. When steaming and boiling crabs, it should be noted that it takes at least 15 minutes to steam and boil crabs after the water is boiled.
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