Fish Quality Index (FQI)
Instructions for FQI
Assessment of FQI
NO
FACTOR
QUALITY CHARACTERISTICS
DEMERIT POINT
SELECT DEMERIT POINTS
APPEARANCE OF OUTER SURFACE
1
APPEARANCE OF SURFACE
Very Bright
Bright
Slight Dull
Dull
0
1
2
3
Select
0
1
2
3
2
SKIN
Firm
Soft
0
1
Select
0
1
3
SCALES
Firm
Slight Loose
Loose
0
1
2
Select
0
1
2
4
SLIME
No Slime
Slightly Slimy
Slimy
Very Slimy
0
1
2
3
Select
0
1
2
3
5
STIFFNESS
Prerigor
Rigor
Postrigor
0
1
2
Select
0
1
2
EYES
6
CLARITY
Clear
Slight Cloudy
Cloudy
0
1
2
Select
0
1
2
7
SHAPE
Normal
Slightly Sunken
Sunken
0
1
2
Select
0
1
2
8
IRIS
Visible
Not Visible
0
1
Select
0
1
2
9
BLOOD
No Blood
Slight Blood
Very Blood
0
1
2
Select
0
1
2
GILLS
10
COLOUR
Characterisic
Slightly dark / Slightly faded
Very Dark / Very Faded
0
1
2
Select
0
1
2
11
MUCUS
Absent
Moderate
Excessive
0
1
2
Select
0
1
2
12
ODOUR
Fresh
Fishy
Stale
Spoiled
0
1
2
3
Select
0
1
2
3
BELLY
13
DISCOLORATION
Absent
Detectable
Moderate
Excessive
0
1
2
3
Select
0
1
2
3
14
FIRMNESS
Firm
Soft
Burst
0
1
2
Select
0
1
2
VENT
15
CONDITION
Normal
Slightly Broken
Excessive Open
0
1
2
Select
0
1
2
16
ODOUR
Fresh
Neutral
Fishy
Spoiled
0
1
2
3
Select
0
1
2
3
Compute Fish Quality Index
Result :
Note :
If any of the quality attribute is found to be irrelevant for the quality / freshness assessment of a particular species of fish, please select always 0 from demerit score sheet. This would not affect the final FQI score.
