The House Rabbit Society can assist families in locating foster care facilities with adoptable single rabbits or bonded pairs. (tampabayvets.net)
The antiserum from a single rabbit keeps for a long time, and produces a large amount of antibody, which is often used for several years. (animalresearch.info)
Even in households with a single rabbit, spaying or neutering has benefits: It can protect your rabbit from several types of cancer and reduce or eliminate aggression, as well as other undesirable behaviour, such as spraying, mounting, destructive chewing, and biting. (sagecreekanimalhospital.ca)