Table 2.
Prevalence of Rickettsia spp. in immature Ixodes ricinus ticks feeding on ground-foraging passerine birds live-trapped in west-central Poland
| Hosts with ticks | Ixodes ricinus | |||||
|---|---|---|---|---|---|---|
| Larvae | Nymphs | Total | ||||
| Species | n/n1 | No. pools tested/no. ticks per 1 pool/no. positive pools (no. individual ticks/no/% positive) [no. of pools/no. /% positive] |
No. ticks tested/minimal. no./(%) infected (MIR) | No. pools tested/no. ticks per 1 pool/no. positive pools (no. individual ticks/no./% positive) [no. of pools/no. (%) positive] |
No. tested/min. no. infected/MIR | No. tested/min. no. infected/MIR |
| Turdus merula | 26/19 | 10/1/3; 20/2/7; 25/3/7; 10/5/8 | 175/25/14.3 | 98/1/19; 28/2/12; 7/3/4 | 175/35/20.0 | 350/60/17.1 |
| Turdus philomelos | 11/8 | 4/1/3; 16/2/5; 5/3/4; 1/4/1 | 55/13/23.6 | 26/1/5; 7/2/3; 3/3/2 | 49/10/20.4 | 104/23/22.1 |
| Erithacus rubecula | 5/4 | 5/1/1; 5/2/4 | 15/5/33.3 | 5/1/0; 3/2/2 | 11/2/18.2 | 26/7/26.9 |
| Fringilla coelebs | 6/2 | 4/1/1; 4/2/0; 1/4/1 | 16/2/12.5 | 3/1/0 | 3/0 | 19/2/10.5 |
| Sturnus vulgaris | 5/2 | 1/1/1; 1/2/0 | 3/1 | 6/1/0; 3/2/1 | 12/1/8.3 | 15/2/13.3 |
| Anthus trivialis | 1/1 | 2/3/2; 5/5/3 | 31/5/16.1 | 2/1/0; 1/3/0 | 5/0 | 36/5/13.9 |
| Total | 53/35 | (24/9/37.5); [95/42/44.2] | 295/51/17.4 | (140/24/17.1) [53/24/45.3] | 255/48 /18.7 | 550/99/18.0 |
n/n 1—no. infested birds tested/no. birds with infected ticks; MIR minimum infection rates (%)—at least one tick in each positive sample carried the pathogen