Evaluation of the efficacy of Simparica Trio® in the prevention of the transmission of Babesia canis by infected Dermacentor reticulatus to dogs

Table 2 Live Dermacentor reticulatus counts at 1, 2 and 5 days after infestation: arithmetic mean, least squares mean, range and percent reduction compared to the control group and statistical comparisons

Days after infestation	Treatment^a	Arithmetic mean	Least squares mean	Range	Percent reduction^b	Control vs T0X P-value
1	T01	27.6	27.6	12–43	Na
	T02	7.4	7.4	3–21	73.3	< 0.0001
	T03	5.3	5.3	0–18	81.0	< 0.0001
2	T01	27.4	27.4	17–38	Na
	T02	0.0	0.0	0–0	100.0	< 0.0001
	T03	0.1	0.1	0–1	99.5	< 0.0001
5	T01	34.4	34.4	29–39	Na
	T02	0.0	0.0	0–0	100.0	< 0.0001
	T03	0.0	0.0	0–0	100.0	< 0.0001

Na not applicable
^aT01: dogs received placebo, T02: dogs received Simparica Trio 28 days before infestation, T03: dogs received Simparica Trio 21 days before infestation
^bCalculated using the formula [(C-T)/C] × 100, where C = arithmetic mean of live tick counts for the control group and T = arithmetic mean of live ticks counts for the treated group

ISSN: 1756-3305