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Hoping someone might know the answer here...
How long does it take for heartworm to show up? Rafi tested negative for heartworm in early December. As far as I know he has never been on preventative (extremely doubtful judging from the condition he was in when found). I am wondering if I should have him tested tomorrow when I take him to the vet. Do you think that's necessary or if he were infected in August, September, or October (when he was on his own) would it show up on a test in early December?
Thanks!
How long does it take for heartworm to show up? Rafi tested negative for heartworm in early December. As far as I know he has never been on preventative (extremely doubtful judging from the condition he was in when found). I am wondering if I should have him tested tomorrow when I take him to the vet. Do you think that's necessary or if he were infected in August, September, or October (when he was on his own) would it show up on a test in early December?
Thanks!