No effect, burden 3.0 log10 (4% of mice below the LOD): p<0.05 with A raw CFU 0.5%; B log10, LOD/2 4.6%; C Mann-Whitney 3.8%; D censored model 7.2%; average estimated difference B -0.00, D -0.00 log10 No effect, burden 1.8 log10 (21% of mice below the LOD): p<0.05 with A raw CFU 0.5%; B log10, LOD/2 4.8%; C Mann-Whitney 4.2%; D censored model 7.5%; average estimated difference B -0.01, D -0.02 log10 Treatment lowers burden by 1.5 log10 (16% of mice below the LOD): p<0.05 with A raw CFU 4.3%; B log10, LOD/2 60.9%; C Mann-Whitney 55.9%; D censored model 68.2%; average estimated difference B -1.32, D -1.45 log10