The Museum comes from the collection of Cabinet of comparative anatomy of the Pontifical University of Bologna began at the time of the Napoleonic regime under the direction first of Germano Azzoguidi (1807-1814) and then by Gaetano Gandolfi (1814-1819). Currently consists of more than 2800 preparations; of particular value are the color and designs especially admirable plastics (patterns) in chalk, clay and wax, reproducing original pathological findings in equal volume and color. Relevant to number and rarity of cases is the collection of skeletons of animals with monstrosities. Very rich endowment of articulatory, which is visited with admiration and interest from scholars of human and comparative artrologia. The Museum has a collection of historical-artistic value (color plastics are unique in their kind in Veterinary Pathology and many testify morbid entity disappeared as contagious bovine pleuropneumonia) and a didactic value because the collection also boasts several useful for current students demonstrations. After the restoration of the Papal Government, following the death of Gandolfì in 1819, the leadership passed to Antonio Alessandrini, who in 42 years of his teaching University (1819-1861), enriched so much by gathering internationally. deserve them In addition to the section of comparative anatomy, Ab great attention devoted to the Pathology and Teratology, as can be seen from the catalogue by him published in 1854. The two collections, normal and Pathologic, Alexandrian Museum were divided after the unification of Italy, in 1863: the first was to the Chair of comparative anatomy at the Faculty of Sciences, while the second was acquired by the Chair of pathological anatomy in the same year covered by Giovan Battista Ercolani. The Ercolani began reviewing all the material, giving way to the Chair of pathological anatomy by Cesare human Taruffi (1821-190), distinguished author of unsurpassed Teratology Treaty, preparations concerning the field of human medicine and those in the ricatalogando veterinary medicine. Under the direction of the Ercolani, who continued to make use of the work of Bettini, collecting, initially by 1705, prepared was enriched further in the 19th century and continued to grow in the last century under the direction of Peter Galton, Luigi Montroni and Paul Stefano, succeeded by the 30 's until the present day in the Chair of Veterinary Pathology. The new Museum of the Faculty of veterinary medicine at Ozzano Emilia died in 2003, was edited by Sergio Baker, for many years Professor of Teratology, whom he also proceeded to recatalog and enriched the new containers for the best performance of preparations.