Rabbits burn more calories to stay warm, so their food intake might need to increase during winter. Keep hay plentiful and encourage movement to keep digestion running smoothly. It's easy to focus on hay and pellets, but water is just as important. Dehydration in older rabbits can worsen digestive issues and lead to urinary problems. But here's the tricky part—senior rabbits can be very particular about how they drink.
It is important to keep in mind, though, that senior rabbits are prone to obesity because they are generally less active than younger rabbits. So, be sure that you monitor their weight and keep them eating at an optimal level. This may mean restricting their diet if they are overweight or increasing it (or adding supplements) if they are underweight. If your rabbit is struggling to keep their weight up, you may consider feeding alfalfa hay (with the approval of your vet), free-feeding pellets and/or adding a whole-diet supplement such as Oxbow's Critical Care to their diet.

Furthermore, visual representations like the one above help us fully grasp the concept of Senior Rabbit Hay Food Diary.
Your rabbit's diet should be about80% hay, 10% leafy greens, and 5% pellets, with the rest as occasional treats. Still, hay should match your rabbit's needs. Seniors might do better on softer hays, while adults with dental issues may need a ...

