Parasites

a. Definition. A parasite is any organism that grows on or in another organism in such a way as to damage or harm the other organism. These may include internal and external worms.

b. Inspector Action. You should detect organism(s) present in the product and determine whether or not parasites are present.

c. Detection Methods. Candling the fish by incandescent lights is often used to detect parasites in fish. The parasites show up as dark areas or spots, not to be confused with blood spots or bruises. Other methods to detect parasites include ultraviolet (UV) light, high salt concentrations, and freezing out. The latter two methods force the parasites to the surface of the fish.

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