(March 25, 2018 at 10:56 pm)Minimalist Wrote:How was she diagnosed? Antigen test? That test detects products of the female worm.(March 25, 2018 at 7:35 pm)Mermaid Wrote: Any dog that is positive on an antigen test or microfilaria test has adults already. It's not possible for them to be MF+ and not have adults.
But, depending on the timing of the infection, you can get a dog who has adult worms which have not reached sexual maturity and thus not laid eggs. That was the situation we had with our second Korean dog, Jessica. They skipped the first two months of Heartguard and went right to the Immiticide. We had them double check with the microscope for microfilaria and they weren't there.... yet.
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