9 CFR § 3.58
Classification and separation
November 6, 2020
Animals housed in the same primary enclosure shall be maintained in compatible groups, with the following additional restrictions:
(a) Rabbits shall not be housed in the same primary enclosure with any other species of animals unless required for scientific reasons.
(b) Rabbits under quarantine or treatment for a communicable disease shall be separated from other rabbits and other susceptible species of animals in such a manner as to minimize dissemination of such disease.