After he qualified as a veterinarian in 1989, he worked in the School of Veterinary Sciences, National University of Asunción, Paraguay, as a teaching assistant and a large animal practitioner fortwo years.
He worked as an Assistant Professor and Associate Professor at the Laboratory of Theriogenology of Iwate University, Morioka, Japan, from 1998 until he took his current position as a full professor at the University of Miyazaki in 2012.
During his career, he received an MSc (Serotypes of MAIS complex in pigs) and a PhD (Role of endogenous opioid peptides around parturition in postpartum resumption of pituitary and ovarian functions in dairy cows) from Rakuno Gakuen University, Hokkaido, Japan, and MPhil (Development of an ELISA to detect antibodies to Neospora caninum in cattle, sheep and goats, and its use in epidemiological studies) from University of Edinburgh, Scotland, UK. Also, he joined JICA projects in Uruguay, in 2000-2001, and Vietnam in 2004.
He served as a visiting professor at Ontario Veterinary College, University of Guelph, Ontario, Canada, in 2010.
His research interests are the development of a diagnosis-treatment protocol for reproductive disorders including uterine diseases, and reproductive management with a timed AI program using ultrasonography to improve reproductive performance in postpartum dairy and beef cows. He currently serves as the president of the Society for Reproduction and Development, and a board member of the World Association for Buiatrics.