Housing small rodents

There are many options for housing small mammals such as mice, rats, hamsters, and gerbils. Enclosure types include glass aquariums, wire cages, and fancy plastic cages with "additions" that can be purchased separately.  Regardless of caging, hamsters and gerbils are best caged alone but female mice and rats will live together with other female or male rats and mice quite happily (although you may have more babies than you know what to do with!). It is best to house males separately from other males. 

Cage Types

The advantages of glass tanks include safety - no sharp edges, easy to disinfect, less likely to be escaped from with a sturdy screen top lid. Downsides of aquariums include weight if you opt for a tank larger than 10 gallons (which you would definitely need to house a rat) and poor ventilation. A special bracket will need to be purchased to allow the use of a water bottle.

 Colored wire cages come in many variations and are often quite inexpensive. Down sides of these cages are that litter will be kicked out of the cage, they quickly rust, animals can potentially get stuck or injured, and they offer little protection from other pets in the house. Advantages are good ventilation and many rodents like to climb the sides of the cages. They are also very easy to hang a water bottle on without any special hangers. Cages designed for rabbits, guinea pigs or ferrets may be suitable for rats if the bar spacing is such that they cannot escape. 

Plastic cages with tubes and hideaway rooms are very appealing aesthetically. They are often made in bright colors and just look "fun". They can be quite expensive and many provide little or no ventilation. Hamsters seem to appreciate these cages more than gerbils which are less likely to climb up tubes and more likely to just chew on them. It is not unheard of for a persistent animal to chew its way out of these types of cages. The exercise wheels that go with these cages tend to be quieter than many, however, and risks of injury may be less than with wire cages. 

Bedding

There are many choices of bedding for small rodents. All of these animals are burrowing animals and will appreciate deep bedding to tunnel through. Although cedar and pine were traditionally used and are readily available and very cheap, these beddings are less than ideal. Cedar especially has very strong aromatic oils which can cause serious health problems in some small rodents. Pine also has oils and can cause allergies and other problems. Hardwoods such as aspen offer a better option as they contain no oils.

The best beddings for small rodents are arguably the recycled paper products. These products come in pellets or flakes and are absorbent, safe, and available in most large pet stores. Examples include Carefresh® and Yesterday's News®. These products are more expensive than wood beddings, but highly recommended.

Plain newsprint or even shredded office paper can also be used as bedding for more budget conscious pet owners. 

Bedding should be changed weekly, or more often if it looks or SMELLS dirty. Put your nose right up to it, and if it stinks, it is time to be changed - your pets have to live an inch from that smell all day! Gerbils, who produce much less urine than other rodents, may not need their cages changed as frequently.

Toys and Cage Furnishings

Small rodents should be offered a hiding spot. This place can be a little plastic house, a toilet paper roll, a little wood house, etc. An exercise wheel can be included but  there is some risk of injury, especially from metal wheels. Exercise balls for use outside of the cage seem to be very popular with hamsters and some rats. They look like clear plastic balls with an doorway that can be opened. The animal walks inside, causing the ball to roll. These balls should only be used under supervision, and all stairways and other hazards should be gated. 

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Radnor Veterinary Hospital
610-687-1550
112 N. Aberdeen Ave.
Wayne, PA   19087


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