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Table 4 Evidence for vertical transmission and genotypes of B. taylorii in pups delivered by female voles captured in 2014

From: Bartonella infections in three species of Microtus: prevalence and genetic diversity, vertical transmission and the effect of concurrent Babesia microti infection on its success

ID of pregnant female Host species No. of pups in litter No. of pups infected with Bartonella spp. in litter % of infected pups Bartonella strain
In positive dams No. of genotyped pups
2014/25 M. arvalis 6 5 83.3 nd 3× B. taylorii (clade B)
2014/34 M. arvalis 5 5 100 B. taylorii (clade B) B. taylorii (clade B)
2014/59 M. arvalis 5 5 100 nd 3× B. taylorii (clade B)
2014/65 M. arvalis 6 6 100 B. taylorii (clade B) 3× B. taylorii (clade B)
2014/74a M. oeconomus 6 0 0 B. taylorii (clade B) nd
2014/77 M. oeconomus 6 4 66.7 nd 3× B. taylorii (clade B)
2014/107a M. arvalis 6 6 100 B. taylorii (clade B) 3× B. taylorii (clade B)
2014/112 M. arvalis 5 0 0 B. taylorii (clade A) nd
2014/126 M. arvalis 7 1 14.3 B. taylorii (clade A) B. taylorii (clade A)
2014/130 M. arvalis 4 1 25 B. taylorii (clade B) 1× B. taylorii (clade B)
2014/131 M. arvalis 6 1 16.7 B. taylorii (clade B) 1× B. taylorii (clade B)
Total 11 (9 Ma; 2 Mo) 62 (50 Ma; 12 Mo) 34 (30 Ma; 4 Mo) 54.8% (60% in Ma; 33% in Mo) 2 B. taylorii clade A (2 Ma); 6 B. taylorii clade B (5 Ma+1 Mo) 1 B. taylorii clade A (1 Ma); 20 B. taylorii clade B (18 Ma + 3 Mo)
  1. aPups died after birth
  2. Abbreviations: nd, not done; Ma, Microtus arvalis; Mo, Microtus oeconomus