Generally speaking, farmed crayfish safe and non-toxic, as long as no allergies, eat crayfish without detoxification; but if the wild crayfish, which may be some parasites, bacterial overload, etc., or heavy metal overload, etc., if the symptoms occur, you need to seek medical attention as soon as possible.
Crayfish is more nutritious, per 100 grams of crayfish (cooked, boiled) containing 87 calories, of which 17.5 grams of protein, 1.3 grams of fat, cholesterol 137 milligrams, vitamin B12 3.1 micrograms of potassium 238 milligrams, 51 milligrams of calcium.
In moderation can provide the body with more protein, vitamins and minerals, is a more nutritious food.
Now most of the crayfish for artificial culture, formal culture of crayfish is generally safer, no need to detoxify after eating.
Wild crayfish there is a risk of excessive parasite content, and even some pathogenic bacteria, such as Staphylococcus aureus, Salmonella, Escherichia coli, etc. exceeded the standard, easy to nausea, vomiting, abdominal pain, abdominal distension and other adverse reactions after consumption.
Consumption of wild crayfish, if discomfort occurs, there is generally no so-called fastest detoxification method, you should seek medical attention as soon as possible, according to different problems to take different treatment principles. Usually recommended to eat regular farming crayfish, avoid ingesting wild crayfish, crayfish allergy should not eat crayfish.