80% of an adult rabbit's diet should be hay. Good quality hay is the most part of a rabbits diet and you're rabbits should Always have access to it. it helps keep their gut moving thus avoiding dangerous gut stasis which left untreated is nearly always fatal.it also keeps their teeth nice and short and in good condition.
Rabbits deserve their reputation as great pets – they are friendly, inquisitive, content to play with their owners and can happily be held and stroked. With the correct diet, care and handling you and your rabbit will have a long and happy time together. *Statistics from The PDSA*