Periódicos Brasileiros em Medicina Veterinária e Zootecnia

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Lesions caused by Africanized honeybee stings in three cattle in Brazil

Caldas, Saulo AndradeGraca, Flavio Augusto Soaresde Barros, Julia Soares MonteiroRolim, Marcia FariasPeixoto, Tiago da CunhaPeixoto, Paulo Vargas

We report three cases of stings by Africanized bees in cattle in the state of Rio de Janeiro, Brazil. Erythema, subcutaneous edema, necrosis accompanied by skin detachment, and subsequent skin regeneration were observed, especially on the head and dewlap. Histopathological examinations performed 45 days later revealed complete skin reepithelialization with moderate dermal fibrosis. The clinical picture and differential diagnosis are discussed in the present manuscript, with a focus on photosensitization, which causes cutaneous lesions on the head (sequela) with cicatricial curving of the ears and can be very similar to what is observed in cattle attacked by swarms of bees. The distinction between photosensitization and bee sting lesions can be made with a focus on history and clinical and pathological aspects.(AU)

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