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9 January 2024 SARCOPTIC MANGE IN FREE-RANGING NORTH AMERICAN PORCUPINES (ERETHIZON DORSATUM) IN NEW YORK STATE
Laura St Clair, Cynthia Hopf-Dennis, Jeanine Peters-Kennedy, Araceli Lucio-Forster, Sara Childs-Sanford
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Abstract

Sarcoptic mange causes pruritic and crusting dermatitis in a large number of mammalian species with varying population impacts. Between 2016 and 2022, 15 North American porcupines (Erethizon dorsatum) were diagnosed with sarcoptic mange at Cornell University's Janet L. Swanson Wildlife Hospital in Ithaca, New York. Disease severity varied among individuals but all shared a similar unique presentation with thick, pale tan to yellow crusts limited in distribution to the ventral, nonquilled areas of the body, including the ventral abdomen and thorax, distal limbs, and face. The thick, hard nature of the crusts resulted in additional complications in many individuals, including inability to move the jaw and cracking and fissuring of the crusts and skin over joints of the limbs. Mites were plentiful within the crusts, with some burrowing into the epidermis as deep as the stratum spinosum. Secondary bacterial and/or fungal dermatitis were common, resulting in sepsis and death in three of the porcupines. Treatment with avermectins (ivermectin and/or selamectin) for 4–5 wk was successful in 12 cases in combination with other supportive care measures, including subcutaneous fluids, antimicrobials, and analgesics. Porcupines were hospitalized for an average of 18 d (ranging from 7 to 50 d) prior to transfer to a licensed wildlife rehabilitator for continued treatment and eventual release back into the wild.

Laura St Clair, Cynthia Hopf-Dennis, Jeanine Peters-Kennedy, Araceli Lucio-Forster, and Sara Childs-Sanford "SARCOPTIC MANGE IN FREE-RANGING NORTH AMERICAN PORCUPINES (ERETHIZON DORSATUM) IN NEW YORK STATE," Journal of Zoo and Wildlife Medicine 54(4), 855-864, (9 January 2024). https://doi.org/10.1638/2023-0060
Accepted: 7 September 2023; Published: 9 January 2024
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