According to About.com, blueberries are an acceptable food for guinea pigs. This fruit contains vitamin C, and it is essential that guinea pigs get an adequate amount of the nutrient. Otherwise, they develop scurvy, a serious disease.Know More
The Humane Society stresses that, since fruit contains large amounts of sugar, it should be offered to guinea pigs in moderation. Guinea pigs should eat no more than several blueberries once a day.
There are other, less sugary ways to be sure that guinea pigs consume enough vitamin C. About.com indicates that vitamin C tablets for guinea pigs are available. Also, some commercial pellets contain vitamin C, but they lose potency quickly. Therefore, pellets are best consumed before the "use by" date stamped on the package.Learn more in Rodents
Red ripe tomatoes are considered a safe food for guinea pigs, but only the ripe fruit should be fed to guinea pigs. Green tomatoes, tomato leaves and stems contain toxic compounds that can make guinea pigs ill.Full Answer >
Bananas are on the list of safe foods for guinea pigs to eat. Because bananas are high in sugar, they should only be occasional snacks, however.Full Answer >
Guinea pigs will eat almost anything put in their food bowl, but pumpkin seeds and other types of large seeds are choking hazards. While pumpkin seeds may be nutritionally dense, there are better things to feed a pet guinea pig.Full Answer >
According to PetMD, one of the most common causes for hair loss in guinea pigs is barbering, an instinctual behavior in which guinea pigs chew off their own hair or the hair of other guinea pigs during conflict. Female guinea pigs also engage in barbering behavior when under stress.Full Answer >