Fig. 1From: Further variation of the adulticide protocol for the treatment of canine heartworm infection: can it be even shorter and cost less?Schematic diagram showing treatment periods and retrospective treatment groups for shelter dogs treated using three-dose melarsomine protocols. Treatment period 1, days from diagnosis to first melarsomine (M1); Treatment period 2, days from M1 to second/third melarsomine (M2/3); Treatment period 3, days from M2/3 to microfilarial filtration test (MFT)Back to article page