Food preference of the guinea pig was investigated from several standpoints. When compared food preference among powder type diet and three different sizes of pellets, the guinea pig preferred the pellet to the powder type diet. However, no strong feeling of attraction was observed among three sizes of the pellets. To investigate the preference for smell, the commercial pellet diet, cabbage, lettuce, pear and dried fish were compared. The guinea pig preferred to the smell of pellet among food

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... sted. Taste preference among foods except for the commercial pellet diet was also tested. The pref erence for the dried fish was higher compared with other foods. The guinea pig did not discriminate the ascorbic acid-free diet and the diets containing two levels (0.5 or 1 mg/g diet) of ascorbic acid. No preference for food color between white and green was detected. In conclusion, the guinea pig has an ability of food selection for taste and smell.