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Table 4 Summary of histopathological appearance in kidney and liver of rats

From: Thai generic-brand dry canine foods: mutagenicity and the effects of feeding in vivo and in vitro

Organ appearance DG diet AP diet AL diet RS diet NT diet CONTROL
  n p n p n p n p n p n
Kidney            
normal appearance - 0.007 - 0.007 - 0.001 - 0.007 - 0.017 6
0–25 % tissue degenerated 2   1   6   2   1   -
26–50 % tissue degenerated 2   2   -   2   3   -
51–75 % tissue degenerated 2   3   -   2   1   -
76–100 % tissue degenerated -   -   -   -   1   -
Total 6   6   6   6   6   6
Liver            
normal appearance - 0.007 - 0.017 - 0.002 - 0.007 - 0.002 6
0–25 % tissue degenerated 2   2   4   -   5   -
26–50 % tissue degenerated 1   1   2   1   1   -
51–75 % tissue degenerated -   2   -   4   -   -
76–100 % tissue degenerated 3   1   -   1   -   -
Total 6   6   6   6   6   6
  1. The numbers of rats were 6 per each group. Values are significantly different at P < 0.05 using Chi-Square test compared to control