Siewerdt is currently an Emeritus Professor of Animal Science and Pasture Ecology. He is still associated with the Departamento de Zootecnia (Animal Science Department) of Universidade Federal de Pelotas (Pelotas, Brazil) where he was, for several decades, the leading scientist of the forage production and conservation research group. Dr. Siewerdt had a profound impact in the study and improvement of native grasslands in southern Brazil through over forty years of research and training of masters (23) and doctoral students (3). His research has concentrated on two major areas: forage production and conservation and ecology of native pastures. The efficiency of systems aimed at production and storage of hay from native pastures has been significantly improved by his research results. His over 200 peer-reviewed articles have been published in three languages covering seven countries.
