Fig. 4From: Spatial analysis for bovine viral diarrhea virus and bovine herpesvirus type 1 infections in the state of Paraíba, northeastern BrazilApparent within-herd prevalences for BoHV-1 in the State of Paraíba, Northeastern Brazil: a Kriging surface of predicted apparent prevalence and (b) the variance of kriging estimates of predicted apparent prevalenceBack to article page