- Non-GM corn comprising 33% of the diet (this was the control group).
- Roundup Ready corn comprising 11%, 22%, or 33% of the food.
- Roundup Ready corn that had been treated with Roundup during cultivation.
- Non-GM corn but with Roundup itself added to the rats' water.
"The type of statistical analysis they used is really a type of fishing expedition. One individual referred to it as 'fantasy statistics.' "
"Interestingly, in the groups of animals fed with the NK603 [Roundup Ready corn] without R[oundup] application, similar effects with respect to enhanced tumor incidence and mortality rates were observed."