Allergic Dermatitis in Pega Breed Donkeys (Equus Asinus) Caused by Culicoides Bites in the Amazon Biome, Para, Brazil

    April 2024 in “ Animals ”
    José Diomedes Barbosa, Maria Hilma Soares Sodré, Camila Cordeiro Barbosa, Paulo Sérgio Chagas da Costa, Carlos Magno Chaves Oliveira, Tatiane Teles Albernaz Ferreira, José Alcides Sarmento da Silveira, Éryca Ceolin Lamego, Milena Carolina Paz, Rossela Damasceno Caldeira, Paulo César Magalhães Matos, Analiel Serruya, Felipe Masiero Salvarani, Natália da Silva e Silva Silveira
    Studysummary This study reported allergic dermatitis in Brazilian donkeys linked to <i>Culicoides</i> insect bites, characterized by severe itching and skin lesions. The potential treatment with copaiba oil and multivitamin emulsion was explored, revealing its promise for managing this condition.
    Our plain-language summary. Not medical advice or a treatment recommendation. Consult a qualified healthcare professional before changing treatment. Full disclaimer
    This study examined allergic dermatitis in Pêga breed donkeys in the Amazon biome, Pará, Brazil, caused by Culicoides bites. Among the donkeys studied, 17 exhibited symptoms such as alopecia, itching, and skin lesions. Histological analysis confirmed moderate dermatitis. The study collected 378 Culicoides insects, identifying Culicoides ocumarensis as prevalent. Hematological analysis showed affected donkeys had higher leukocyte, neutrophil, and lymphocyte counts, but lower eosinophil counts. Treatment with copaiba oil and a multivitamin emulsion showed promise in reducing inflammation and promoting hair regrowth. The research underscores the impact of Culicoides bites on donkey health and suggests potential therapeutic benefits of the treatment.
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