5. Vaccinate Group Control Group Monitor Group Vaccinate 2 weeks age Monitor Vaccinate 2 weeks age Bleed 10 weeks Bleed 10 weeks Bleed 10 weeks Boost 8 months Bleed 1 week later Boost 8 months Bleed 1 week later Boost 8 months Bleed 1 week later Last vaccination 2 weeks prior to Parturition