Breakfast is the most important meal of the day! These guinea pigs really enjoyed their greens. A healthy guinea pig diet is about 80% hay. Typically, Timmothy hay is the go to, but if you’re allergic orchard hay is good nutritionally and less people are allergic to it. For the last 20%, they should have a high quality pellet that provides vitamin C, along with vegetables/greens rich in vitamin C. If you notice some not wearing pants, those are gals who were spayed and chipped earlier this month