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Table 1.

Responses of adults of five hard tick species to odour being released from rumen fluid

Amblyomma variegatumbAmblyomma hebraeumIxodes scapularisIxodes persulcatusIxodes ricinus
N 18 15 20 13 16 
Attraction (%)a +44*** +26*** +21*** +13* +4** 
Change in speed (%) +23** +5 +1 +28** +4* 
Amblyomma variegatumbAmblyomma hebraeumIxodes scapularisIxodes persulcatusIxodes ricinus
N 18 15 20 13 16 
Attraction (%)a +44*** +26*** +21*** +13* +4** 
Change in speed (%) +23** +5 +1 +28** +4* 
a

Median % change compared with control

*

P<0.05

**

P<0.01

***

P<0.001; Wilcoxon signed rank test

b

Eight of the 18 A. variegatum adults tested undertook significant local search behaviours (see Fig. 1) upon removal of rumen odour from the air stream (Fisher exact test, P<0.01, two-tailed)

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