Fig. 3

Incidence rate ratios (IRR) for mortality of Phlebotomus papatasi 24 h after feeding on dogs treated with one chewable tablet of Bravecto® compared with control on Days 3, 17, 31, 45 and 73 after treatment. IRR was estimated from mixed negative binomial model were variable dog was included as a random effect, treatment, days after treatment, and their interaction were explanatory variables. The horizontal line marks the significant threshold IRR = 1