Table 2.

Adult heartworms, Dirofilaria immitis, recovered 148 days after infection with third-stage larvae from eight dogs treated with 10% imidacloprid + 2.5% moxidectin (Advantage Multi®) 30 days prior to infection and from eight untreated control dogs

Treatment group	Dog	Adult Dirofilaria immitis
		Males	Females	Total
Group 1: 10% imidacloprid + 2.5% moxidectin	1531603	0	0	0
	1561903	0	0	0
	1531806	0	0	0
	1531805	0	0	0
	1531901	0	0	0
	1531801	0	0	0
	1531802	0	0	0
	1531502	0	0	0
Total worms recovered from treated dogs		0	0	0
Group 2: no treatment	1531702	9	18	27
	1531706	0	0	0
	1531803	12	7	19
	1532203	0	0	0
	1531804	13	20	33
	1531503	15	13	28
	1531501	11	14	25
	1532101	2	0	2
Total worms recovered from control dogs		62	72	134
Mean worms recovered from control dogs		7.8	9.0	16.8