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Table 2 The number of dogs positive for Babesia canis on blood smear, PCR and IFAT and number of dogs that were treated for babesiosis, as well as the number of dogs ever positive

From: Evaluation of the efficacy of sarolaner (Simparica®) in the prevention of babesiosis in dogs

Treatment group Blood smeara Rescue treatment PCRb IFAT B. canis (Ever) positivec
1 (Placebo) 8 of 8 8 of 8 8 of 8 8 of 8 8 of 8
2 (Sarolaner 28 days earlier) 0 of 7 0 of 7 6 of 7 0 of 7 0 of 7*
3 (Sarolaner 21 days earlier) 0 of 8 0 of 8 3 of 8 0 of 8 0 of 8*
  1. aNumber of dogs positive for Babesia canis on a blood smear
  2. bIn the placebo group, 8 out of 8 dogs were PCR positive within 7 days after tick infestation. In the sarolaner-treated groups, 6 and 3 dogs had a faint amplification product 21 days after tick infestation. No amplification product was found in any of the dogs afterwards
  3. cIncludes all dogs that tested positive for B. canis by PCR and IFAT at any time during the study
  4. *Number of positive dogs significantly lower than placebo (P-value = 0.0002)