After we receive the defect in the photo from customer with QC database team, it was a wound defect on shrimp meat that can be found in raw material. This is caused primarily by intensive shrimp farming. In a pond when a large number of shrimp are raised, there is high chance that shrimps will crash with each other causing a wound on their body. If the wound is deep, it is likely to develop black spots on meat. Figure 1 shows an example of the wound defect from the past and selected it out