Capybaras in Uruguay and Argentina face lethal mange outbreak

Authorities in Uruguay and Argentina are monitoring an outbreak of mange among capybara populations. The disease, caused by a highly contagious mite that inhabits the epidermis, has been detected in the Uruguayan departments of Lavalleja, Paysandú, Maldonado, and Salto. Affected animals exhibit hair loss, scabs, physical weakness, and an inability to thermoregulate; some immunosuppressed individuals die within 48 hours.

In response, the Uruguayan Ministry of Environment has formed a multidisciplinary research team including specialists from various scientific institutes and experts from Argentina. The investigation aims to identify the specific mite, determine transmission factors—such as potential links to livestock or domestic pets—and understand why the animals' immune systems are being compromised. Researchers are utilizing camera traps and biological sampling to track the spread.

Biologist Alexandra Cravino has warned of potential zoonotic risks, advising the public to avoid contact with affected animals or pets. There are also concerns that the condition may be spreading to other species, following reports of a fox with hair loss in the region.