FIG 2.

Surface marker analysis of blood MNCs and milk MNCs following intramammary infusion of M. bovis. Effect at days 0, 1, 3, 7, and 14 following intramammary infusion of M. bovis on the populations of blood MNCs and milk MNCs in the M. bovis inoculation quarter (left forequarter) and noninfusion quarter (right rear quarter) as determined by flow cytometry. Data are presented as the mean ± SEM of the results from three cows. Percentages of cells in blood MNCs and milk MNCs gate positive for CD4, CD8 CD21, WC1, and CD14.