parasite transmission
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Parasite Transmission. What, How, and Why My Pet Has Worms. The what, how, and why depends on the type of worm your pet is infected with. Unlike earthworms these worms live inside the animals body. How they get there is called parasitic transmission. - PowerPoint PPT PresentationTRANSCRIPT
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What, How, and WhyMy Pet Has Worms
The what, how, and why depends on the type of worm your pet is infected with.Unlike earthworms these worms live inside the animals body.How they get there is called parasitic transmission.Transmission may be by either direct or indirect means.
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Parasites can pass directly from one host to another.
Ingests feces or vomit
Skin penetration
Transmammary
Transplacental
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Dirofilaria immitis Lifecycle
1. Mosquito bites infected animal picking up D. immitis
2. Mosquito passes D. immitis to the next animal
3. Microfilaria (larvae) migrate to right side of heart – 3 months
4. Microfilaria mature in the heart – 3 months
5. After 6 months, adult worms begin producing microfilaria that are released back into the bloodstream.
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Parasite Transmission Review
1. What two means may parasites infect their host?
2. Explain trans-mammary infection.3. Explain trans-placenta infection.4. What other two direct ways may parasites
pass from one host to another?5. Explain what is meant by indirect
transmission.
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Parasite Transmission Review
6. How can heartworms be prevented in your dog?7. Why is it important to test for heartworms
before putting a dog on heartworm prevention medication?
8. What laboratory procedures are used to determine if a dog has heartworms?
9. Besides using heartworm prevention medications; what else can be done to help prevent infections.
10. What medication is used to treat heartworms?
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