[Code of Federal Regulations]
[Title 9, Volume 1]
[Revised as of January 1, 2006]
From the U.S. Government Printing Office via GPO Access
[CITE: 9CFR3.33]

[Page 64]
 
                  TITLE 9--ANIMALS AND ANIMAL PRODUCTS
 
  CHAPTER I--ANIMAL AND PLANT HEALTH INSPECTION SERVICE, DEPARTMENT OF 
                               AGRICULTURE
 
PART 3_STANDARDS--Table of Contents
 
 Subpart B_Specifications for the Humane Handling, Care, Treatment, and 
               Transportation of Guinea Pigs and Hamsters
 
Sec. 3.33  Classification and separation.

    Animals housed in the same primary enclosure shall be maintained in 
compatible groups, with the following additional restrictions:
    (a) Except where harem breeding is practiced, preweanling guinea 
pigs shall not be housed in the same primary enclosure with adults other 
than their parents.
    (b) Guinea pigs shall not be housed in the same primary enclosure 
with hamsters, nor shall guinea pigs or hamsters be housed in the same 
primary enclosure with any other species of animals.
    (c) Guinea pigs or hamsters under quarantine or treatment for a 
communicable disease shall be separated from other guinea pigs or 
hamsters and other susceptible species of animals in such a manner as to 
minimize dissemination of such disease.