Awasome Can Rabbits Eat Cardboard Tubes References. However, it's important that they not eat too much of it. The chewing action helps file their teeth down and provides them with mental stimulation as they tear the cardboard into small.
First, identify anything that’s making them think it’s a litter box i.e. Bring down the number of pellets gradually. Another reason they nibble on cardboard tubes is the fact that it gives them a chew toy for their teeth.