Detection of Group a Rotaviruses in Dairy Cows in Greece

Case PresentationIn order to evaluate whether the reduction of productivity and of the reproductive performance of cattle is caused by heat stress or by infections, samples were collected from 2018 to 2021 in Greece.All the tested animals were adults, with at least one partition and clinically healthy on the sampling day.They were regularly vaccinated against the most common pathogens causing reproductive disorders, including Bovine Viral Diarrhea Virus (BVDV) and Infectious Bovine Rhinotracheitis Virus (IBRV), and they had received no therapeutic medication for at least two weeks before sampling.Owners of the eight farms included in the study reported the previous occurrence of sporadic, mild, self-limited and intermittent diarrhoea.