No. With that you could cause diarrhea or digestive disturbances due to a binge eating and the animal can die.
What you should always have available is hay and water. At noon we will administer a ration of vegetables suitable for them, and at nightfall, their recommended daily feed ration.
Some feed like cunipic naturaliss does not need to be rationed and we can give them as many times as we want on the same day as this feed. It is a special feed composed of feed and many types of hay, so it will have a very balanced diet.