Yes. There are three main risks of eating raw oysters: microbial pathogen contamination, heavy metal contamination, shellfish toxin contamination. The oysters can be used to eat raw oysters generally require growth in the first class waters; the second class waters of the aquatic products are only suitable for cooked food; the third class waters are generally only suitable for swimming, in the food have standardized management of the country is not allowed to use the waters of the aquaculture or fishing aquatic products to eat.

Yes. There are three main risks of eating raw oysters: microbial pathogen contamination, heavy metal contamination, and shellfish toxin contamination.

Oysters can be used to eat raw oysters are generally required to grow in the first level of waters; the second level of marine products are only suitable for cooked food; third level of waters are generally only suitable for swimming, in the countries where there is a standardized management of food is not allowed to use such waters to breed or catch aquatic products for consumption; if the fourth level of waters are not suitable for swimming, generally only suitable to do the dock in such waters.

As our country is relatively weak in the management of waters, resulting in very serious offshore pollution. in July 1997, the United States on the grounds of the management of waters is not reciprocal, banned the import of Chinese oysters; at the same time, the European Union has also enacted 386 regulations to prohibit China's oyster imports.