Figure 3From: Detection of Babesia divergens in southern Norway by using an immunofluorescence antibody test in cow seraComparison of three sources of information for the occurrence of babesiosis on the farms in this study. IFAT IgG positive: At least one cow positive for IFAT Babesia divergens IgG. Noticed: Farmers' statement that redwater occurs in cows on the farm or is detected when adult cattle are imported to the farm. Notified: Clinical cases registered on the diary cow health cards, compiled by the Norwegian Dairy Herd Recording System from 1996-2008.Back to article page