Table 2 Comparison of the total number of ticks on pyrethroid-treated and control animals on pasture

From: Prophylactic treatment with flumethrin, a pyrethroid (Bayticol®, Bayer), against Anaplasma phagocytophilum infection in lambs

  Treatment against ticks
Ticks   Yes No Total
  Yes 7 30 37
  No 173 150 323
  Total 180 180 360
  1. Forty lambs were investigated every fourteen days at nine occasions (360 observations).
  2. Yates corrected χ2 = 14.58 (p = 0.0001).