Affiliation: | 1. Veterinary Clinical Department, Obstetric-Gynecological Division, University of Bologna, Via Tolara di Sopra 50, 40064 Ozzano Emilia (BO), Italy;2. DIMORFIPA, University of Bologna, Via Tolara di Sopra 50, 40064 Ozzano Emilia (BO), Italy;3. Department of Veterinary Public Health and Animal Pathology, University of Bologna, Via Tolara di Sopra 50, 40064 Ozzano Emilia (BO), Italy |