HEARTWORM TIPS #1:
Beware the mosquito. The disease is not spread directly from dog to dog, rather transmission of heartworm requires an intermediate host: the mosquito, spread of the disease therefore coincides with the mosquito season
HEARTWORM TIPS #2:
Adult heartworms in an infected dog produce microfilariae, which circulate in the the animal’s blood. When a mosquito bites that infected animal, it sucks out blood containing the microfilariae. After about 2 weeks in the mosquito, the microfilariae become infective larvae. This step is necessary for the transmission of heartworm, because when the mosquito bites a pet dog or cat, the infective larvae are transmitted.
HEARTWORM TIPS#3:
Dogs infected with heartworms can live several years before manifesting any symptoms. Consequently, the disease is diagnosed mostly in 4 to 8 year old dogs, and is seldom identified in a dog under 1 year of age. This is because the young heartworms (larvae) take up to 7 months to mature following the initial infection.
HEARTWORM TIPS #4:
Dogs are the main animals affected by heartworms, cats may be also affected. There are also reported cases in humans.
Signs of heartworm disease are:
– Coughing
– Exercise tolerance
– Coughing with blood
– Collapse
– Generalized swelling
– Sudden death
HEARTWORM TIP #5:
The three accepted methods of heartworm PREVENTION are the following:
– Oral medication taken monthly
– Topical preparation applied monthly
– Once a year injection
HEARTWORM TIP #6:
The recommended tests for heartworm detection in dogs are:
– Haemoconcentration test (Ohishi’s or Knott’s test)
– Antigen testing
Prevention is much cheaper and safer. Treatment may have side effects and is a relatively expensive process.
Which method are you using? Ask your vet.








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