Tissue

Control

Lethal Exposure Period in Days

Day 1

Day 2

Day 3

Day 4

Gill

0.8627a

0.7932b

0.7457c

0.7217d

0.7035e

SD±

0.0002

0.0003

0.0003

0.0003

0.0001

% change

----

-8.05

-13.56

-16.34

-18.45

Muscle

1.2232a

1.0538b

0.9425c

0.9228d

0.8847e

SD±

0.0003

0.0002

0.0003

0.0002

0.0003

% change

----

-13.90

-22.93

-24.54

-27.66

Liver

0.9128a

0.8835b

0.8663c

0.7968d

0.7062e

SD±

0.0002

0.0003

0.0002

0.0002

0.0003

% change

----

-3.20

-5.09

-12.70

-22.63

Data are means ± SD (n = 6) for an organ in a row followed by the same letter are not signifi cantly different (p < 0.05) from each other according to Duncan’s multiple range test.
Table 4: Calcium ion content (µg/g wet wt. of the organ) in organ of fish, Cyprinus carpio exposure to lethal concentration (7.5 µl/l) of quinalphos.