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Table 1 Summary of the density of questing nymphs (DON), number of bank voles caught per 100 trap nights (TN), prevalence of Borrelia burgdorferi sensu lato (s.l.) in questing nymphs (NIP) and density of nymphs infected with B. burgdorferi s.l. (DIN) across years and treatments

From: Experimental evidence for opposing effects of high deer density on tick-borne pathogen prevalence and hazard

Treatment

Yeara

DON (nymphs 10 m−2 ± SD)

Bank voles/100 TN ± SDb

NIP (%) (95% CI)

DIN (nymphs 1000 m−2 ± SD)

High deer density

2013

9.78 ± 9.99

NA

0.56 (0–3.1)

4.81 ± 14.42

2014

9.67 ± 9.27

NA

0

0

2017

NA

0.50 ± 1.12

NA

NA

2018

25.57 ± 25.84

0.52 ± 0.90

0.24 (0–1.3)

3.21 ± 9.64

2019

6.21 ± 7.60

NA

2.47 (0.9–4.4)

6.12 ± 9.74

Average

12.10 ± 15.46

0.51 ± 0.97

0.86 (0.4–1.6)

3.86 ± 10.17

Deer exclusion

2013

0.37 ± 0.84

NA

1.92 (0.2–6.8)

0.96 ± 1.50

2014

0.54 ± 1.01

NA

4.23 (1.9–7.9)

2.09 ± 3.20

2017

NA

6.95 ± 2.51

NA

NA

2018

0.67 ± 1.35

6.25 ± 2.70

0.72 (0–3.9)

0.46 ± 1.39

2019

0.65 ± 1.11

NA

3.10 (0.9–7.7)

1.96 ± 3.20

Average

0.53 ± 1.06

6.69 ± 2.41

2.74 (1.6–4.4)

1.41 ± 2.54

  1. CI Confidence interval, NA Non-applicable
  2. aTicks were not collected in 2017
  3. bRodent trapping was conducted in 2017 and 2018 only