The use of pine and cedar as litter for house rabbits should be avoided. Other superior litters, such as recycled paper and aspen shavings are available and you should steer potential adopters and those who already have rabbits to these safer alternatives. There are two major concerns with the use of cedar and pine shavings as litter. The first is the documented alterations in the liver's specialized tools, called enzymes, that can alter your rabbit's ability to handle standard drugs that your vet will use in the treatment of your pet. The second is the relatively poorly characterized cancer risk.

*Text used with permission of the House Rabbit Society.

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