Days  Skin Eyes  Gills  Flesh colour  Outer slime  EC Grade
0 Bright, shining ; firm Translucent cornea; convex; absence mucus Fresh odor; red color  Pinkish white thin; transparent E
3 Bright shining; firm Translucent cornea; convex; absence mucus Fresh odor; red color Pinkish white thin; transparent E
6 Bright shining; firm Translucent cornea; convex; absence mucus Fresh odor; red color Pinkish white  thin; transparent E
9 Waxy; slight loss of shine; soft Opalescent cornea; plane; moderate mucus Fishy odor; red color Whitish  Aqueous; transparent A
12 Waxy; slight loss of shine; soft Opalescent cornea; plane; moderate mucus Stale odor; dark red color Whitish Opaque; thick; slight milky B
14 Dull; some bleaching Opalescent cornea; plane; excessive mucus Stale odor; dark red color Whitish with slight yellow stain Opaque; thick; slight milky B
15 Dull; some bleaching Opalescent cornea; sunken; excessive mucus Spoiled odor; dark red color Whitish with slight yellow stain Thick;Milky C
Table 3: Sensory assessment of trout stored at 0-2°C.
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