Annual Blood- ParasiteTest replaces 3DX HeartwormWhy does my dog need an Annual 4 DX test? What is different about the 4 DX test from the 3 DX "Heartworm" test that my dog has been getting?
Why does my dog need an Annual 4 DX test? What is different about the 4 DX test from the 3 DX "Heartworm" test that my dog has been getting?