Gerbil nasal dermatitis
Source: Merck Veterinary Manual (merckvetmanual.com), a copyrighted professional veterinary reference. Per COPYRIGHT_POLICY §3, the points below are paraphrased derived fact summaries: numerical values and proper nouns are preserved from the source, but sentences are rewritten and not quoted verbatim.
Claims
*[Paraphrased derived summary — non-Open-Access source.]* Gerbils are prone to developing nasal dermatitis when the relative humidity rises above 50%; keeping the enclosure at lower humidity is advisable. *[Paraphrased derived summary — non-Open-Access source.]* Gerbils with nasal dermatitis first show redness (erythema) around the external nostrils.