The dermatopatologias are present in both pets and animal production. In the case of swine, are the most common skin diseases such as exudative epidermis (EE), sarcoptic mange and swine smallpox. However, there are also skin diseases affecting mainly pigs but are not reported as often. One is aplasia cutis or imperfectepiteliogênese, which is characterized by the absence of epidermis in some regions of the body of the piglet birth. Given that this disease presents as fortuitous cases within a farm, this work presents the occurrence of an event in a commercial farm in Viçosa (Minas Gerais, Brazil).