With Moritz, Friedrich Röll (1849 - 1853)

a prominent personality came on the scene, who had the most long-term impact on the Veterinary University in the 19th century through the substantial modification of the curriculum and the organisation of the university itself. He was so multifaceted that he was then made professor of advanced pathology, internal medicine and pharmacology. His scientific roots were in clinical disciplines, in epidemic diseases and their control, in particular. In 1847, he was appointed Regional Veterinarian of Bohemia.

Even after his appointment to the chair in Vienna, he remained true to epidemiology. A textbook of advanced pathology and therapy of domestic animals was published in 1852 and was translated into several languages. In 1852, he was made Director of Studies. The book, Die Tierseuchen (Epidemic Veterinary Disesases), was published in 1881 and attained great significance. At the
first international veterinary congress in Hamburg in 1863, he played a leading role.