Table 1

Incidence and histology of AOM-induced colonic tumors in male rats

Experiment AExperiment B
CaseinWheyCaseinWhey
na%bn%n%n%
Rats per group32100471004210049100
Rats with tumors
 Entire colon185614c30215014c29
 Proximal82551113316c12
 Distal12389d211331816
Tumor type
 Invasive adenocarcinoma
  Entire colon7227151331918
  Proximal5163681948
  Distal3949717510
 Benign
  Entire colon1135715819510
  Proximal392451224
  Distal92951161436
  • a Number of rats per group per experiment.

  • b Embedded Image .

  • c,d Compared with casein within the same experiment:

  • c P < 0.05;

  • d P < 0.01.