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Table 4 The activity of catalase in some organs of birds exposed to cyanide directly and in their feed

From: The chronic effects of cyanide on oxidative stress indices in the domestic chicken (Gallus domesticus L.)

Groups

Direct exposure

Exposure via food

Organ

I (control)

II (1 mg CN−1/kg bwt)

III (2 mg CN−1/kg bwt)

IV (3 mg CN−1/kg bwt)

V (1 mg CN−1/kg bwt)

VI (2 mg CN−1/kg bwt)

VII (3 mg CN−1/kg bwt)

4 weeks exposure

 Liver

1.12 ± 0.04a

0.98 ± 0.06a

0.87 ± 0.03b

0.75 ± 0.09c

1.01 ± 0.05a

0.92 ± 0.07a

0.83 ± 0.09b

 Kidney

0.83 ± 0.03a

0.77 ± 0.07a

0.64 ± 0.06b

0.54 ± 0.08c

0.80 ± 0.03a

0.70 ± 0.05ab

0.61 ± 0.08b

 Heart

1.05 ± 0.07a

0.94 ± 0.09a

0.82 ± 0.07b

0.71 ± 0.05c

0.98 ± 0.09a

0.85 ± 0.03b

0.78 ± 0.06b

 Brain

0.99 ± 0.07a

0.90 ± 0.04a

0.79 ± 0.05b

0.66 ± 0.04c

0.92 ± 0.08a

0.81 ± 0.06b

0.76 ± 0.03b

8 weeks exposure

 Liver

1.28 ± 0.02a

1.22 ± 0.07a

1.08 ± 0.06b

0.82 ± 0.05c

1.24 ± 0.06a

1.14 ± 0.03ab

1.01 ± 0.06b

 Kidney

0.94 ± 0.08a

0.89 ± 0.06a

0.78 ± 0.07b

0.60 ± 0.06c

0.91 ± 0.04a

0.81 ± 0.04b

0.72 ± 0.05b

 Heart

1.22 ± 0.05a

1.15 ± 0.04a

0.95 ± 0.04b

0.72 ± 0.08c

1.18 ± 0.07a

0.97 ± 0.06b

0.86 ± 0.08b

 Brain

1.06 ± 0.04a

0.94 ± 0.05b

0.83 ± 0.09b

0.70 ± 0.03c

1.00 ± 0.04a

0.91 ± 0.03a

0.80 ± 0.04b

12 weeks exposure

 Liver

1.31 ± 0.04a

1.24 ± 0.07a

1.13 ± 0.08b

0.96 ± 0.09c

1.26 ± 0.04a

1.19 ± 0.06b

1.06 ± 0.12b

 Kidney

1.01 ± 0.09a

0.93 ± 0.12a

0.83 ± 0.07b

0.60 ± 0.09c

0.99 ± 0.08a

0.90 ± 0.08b

0.72 ± 0.04d

 Heart

1.26 ± 0.70a

1.18 ± 0.09a

1.03 ± 0.06b

0.81 ± 0.08c

1.21 ± 0.09a

1.05 ± 0.05b

0.90 ± 0.10b

 Brain

1.19 ± 0.08a

1.12 ± 0.05a

0.99 ± 0.06b

0.78 ± 0.12c

1.14 ± 0.07a

1.03 ± 0.05b

0.89 ± 0.08b

  1. The results are expressed as mean ± standard deviation (n = 6)
  2. Means not sharing a common superscript (a, b, c, d) on the same row differ significantly (p < 0.05)
  3. The activity of catalase is given in K/min
  4. bwt body weight