If your source doesn't want to answer your questions, then go elsewhere. Shucked oysters sitting on bed of ice - Kwan Kajornsiri/Shutterstock To preserve live oysters as long as possible ...

Use fresh oysters that are still in the shells, not the shucked ones from jars. The oysters should be small to medium-sized. I like to add a bit of heat to the combination by adding gochujang ...