Production of oysters for facilitation of opening by the consumers comprises edge of the shell, and vicinity to the adductor muscle, visualization mark to identify the zone of a knife between the two valves of oyster to section the muscle

摘要

The mark (7, 8) is: a food colorant directly traced on the shell; a label stuck on the shell; an integral band or a filament of the shell; linked on the oyster before completion of its growth; a small incision close to its adductor; water to complete his growth; and formation of a healing layer sealing this incision, but more fragile than the rest of the shell. The band or filament has an annular configuration and is fixed on the shell like a bra