So my bun (giant checkered, male, 18lbs), has been put on a diet, yet he eats 3x his size in (unpacked) hay, and ~48oz of water a day, along with a cup of veggies (kale, celery, cilantro, carrot tops, and basil).
He was dropped off in a cardboard box at the pet market when he was 2, so idk what...