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Old 02-02-2017, 02:06 AM   #11
llewellyn's Avatar
Join Date: Jan 2010
Posts: 1,479

Originally Posted by Charlesnah View Post
If i not wrong if your dog is not on heart worm prevention you must let vet do a heart worm test to be sure there's no heart worm before you can start any heart worm prevention medicine

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Yes, you're right.
Cannot anyhow start or miss your monthly applications. Must undergo test .
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