Duration of Sampling:
From May 2, 1962 to October 31, 1962
Place of Sampling:
Tokyo Central Fish Merket, Tokyo
All of the samples were taken by
the inspectors of the Tokyo
Metropolitan. Food Inspection office
of Tokyo Central Wholesale Market.
Number of Samples:
Table 1. Eviscerated fish:*
Bigeye tuna
Yellow fin tuna
Sword fish
Total |
May
Jun
Jul
16
55
dh
2
6
4
20
5
62
Aug
Sep
Oct
Total
56
46
13.
230
28
5h
78
110
5.
8666
97°79
208
8
LL6
Rach fish was separated into 4 samples sections
consisting of the skin, bone, light muscle and dark
muscle. Therefore, the total number of samples requiring
analysis was 1,784.
Note: *Tuna fish are usually eviscerated aboard the
fishing boat immediately after being caught.
Table 2.
Whole fish:
Mat Jun
Big eye tuna
Yellow fin tuna
Jul Aug
Sep Oct
2
2
Total
2
2
Skipjack
Great barracuda
1
1
hy
1
1
7
1
Total
2
8
1
L
12
Each whole fish was separeted into the following
Sample sections: gill, bone, skin including sccles,
light muscle, dark muscle, liver, spleen, heart, pyloric
ceeca, stomach, stomach contents, intestine, intcctinal
contents, gonad and kidney.