Hymerson Costa Azevedo is a Researcher in Animal Reproduction at the Brazilian Agricultural Research Corporation (EMBRAPA), Aracaju, Sergipe, Brazil, where he has worked since 1997, and is a permanent faculty member of the Graduate Program in Agriculture and Biodiversity (PPGAGRI) at the Federal University of Sergipe (UFS) and of the Integrated Graduate Program in Animal Science (PPIZ) at UFS and the Federal University of Recôncavo da Bahia (UFRB). He received his DVM degree from the Federal University of Bahia (UFBA) in 1992, his M.Sc. in Veterinary Science with emphasis on Clinical Reproduction from the Federal Rural University of Pernambuco (UFRPE) in 1996, and his Ph.D. in Veterinary Medicine with emphasis on Animal Reproduction from São Paulo State University (UNESP), Botucatu campus, in 2006, followed by a post-doctoral fellowship at the United States Department of Agriculture (USDA) in Fort Collins, Colorado, USA, in 2024. His research experience covers the reproduction of ruminants such as goats, sheep, and cattle, as well as fish, with an emphasis on andrology, semen and embryo biotechnology, reproductive management, conservation of animal genetic resources, and marker-assisted selection for prolificacy traits in sheep (FecGE mutation).