Jeferson Ferreira da Fonseca holds a degree in Veterinary Medicine from the Federal University of Viçosa (UFV), a master's degree in Veterinary Medicine from the Federal University of Minas Gerais and a PhD in Animal Science from the Federal University of Viçosa. He is a researcher at the Brazilian Agricultural Research Corporation (EMBRAPA) and a permanent professor in the Postgraduate Program in Veterinary Medicine at the Federal University of Viçosa (UFV). He works in the area of ??Veterinary Medicine, with an emphasis on Assisted Reproduction in Small Ruminants: control of the estrous cycle, ovulation and superovulation; artificial insemination; diagnosis and treatment of reproductive disorders; collection, cryopreservation and transfer of embryos. He also works in the area of ??technology transfer, organization of events and support for the development of goat and sheep farming in Brazil, Latin America and Africa.