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Are sawdust and wood shavings toxic to rats?

Toxic for rats

Avoid sawdust and dusty wood shavings for rats. PDSA, the RSPCA and Merck say they can cause breathing problems. Source: PDSA, RSPCA, Merck Veterinary Manual

Conditions

Risks and signs

  • Dusty bedding can cause breathing and other health problems. Source: PDSA, RSPCA

Sources

  1. PDSA: Rats as pets (opens in a new tab)

    “Never use a dusty bedding such as wood chippings or sawdust as these can cause breathing problems.”

    Read on 10 October 2026

  2. RSPCA: Creating a good home for rats (opens in a new tab)

    “Avoid dusty bedding materials such as sawdust, and any bedding which is made of aspen as these can result in breathing and other health problems.”

    Read on 10 October 2026

  3. Merck Veterinary Manual: Providing a Home for a Rat (opens in a new tab)

    “Cedar, pine, and other wood shavings contain oils that can be irritating to rats' sensitive respiratory tracts and are not recommended.”

    Read on 10 October 2026

  4. Merck Veterinary Manual: Providing a Home for a Rat (opens in a new tab)

    “Recycled paper products marketed as bedding are safe and easy to clean.”

    Read on 10 October 2026

  5. Royal Veterinary College: Rat care (RVC Exotics Service) (opens in a new tab)

    “Rats should be housed in a large glass or wire enclosure with good ventilation and a layer of sawdust or shavings.”

    Read on 10 October 2026

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