There was no significant difference between the weights of the livers at baseline. After 14 days, the mean liver weight from treatment 4 (TRM4) was significantly higher than that from treament 3 (TRM3) and 5 (TRM5), but not significantly higher than that from treatments 1 (TRM1) and 2 (TRM2). This tendency was observed up to day 42. Results are not shown