p24 antibody reactivity descriptive analysis in different PVL categories. Box and whisker plots show p24 antibody reactivity of the cows depending on their PVL category in herds: a) 51 and b) T1. U) undectectable, L) low and H) high proviral load, Ab) antibody. The Kruskal-Wallis test was used to evaluate differences between categories, P values are shown.
Gutiérrez et al. BMC Veterinary Research 2012 8:187 doi:10.1186/1746-6148-8-187