Guinea pigs fed a high grain diet developed a condition that appears to be exactly the same as scurvy in humans. 5b To cause scurvy, guinea pigs were fed mostly bran and oats. Another scurvy-producing diet consisted of whole grains like oats, barley, maize, and soy bean flour. An exclusive oatmeal diet would kill a guinea pig in 24 days from scurvy. This very same scurvy-inducing diet produced severe tooth and gum problems in guinea pigs as well.
