| 1. | A mosquito bites an infected dog and picks up the microfilaria.
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| 2. | Those microfilaria go through a larval stage in the mosquito.
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| 3. | When the mosquito bites another dog, it passes out infected microfilaria.
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| 4. | This organism, however, is considerably smaller and thinner than a microfilaria.
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| 5. | In either case, the microfilaria is the stage which develops from the egg.
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| 6. | Cutting open some of Benach ticks, Burgdorfer noticed microfilaria ( microscopic worm young ).
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| 7. | This was a subject he had been studying recently, only these microfilaria were different.
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| 8. | _Have your dog tested each year for the presence of microfilaria in the blood stream.
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| 9. | _Administer a monthly dose of medication that prevents the development of microfilaria into adult heartworms.
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| 10. | There, they undergo development, from microfilaria, to first, second, and finally third stage larvae.
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