In Holland, despite the by dairies obliged combat of Infectious Bovine Rhinotracheitis (IBR) and Bovine Viral Diarrhea (BVD) on dairy farms, ultimo 2019 the IBR-free status of dairy farms was 75 percent and two percent less than one year before. Regarding BVD was ultimo 2019 73 percent of the dairy farm non-suspicious, three percent more than one year before.