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|08-29-2016, 07:07 AM||#1|
Furbutts = LOVE
Join Date: Jan 2005
Location: Phoenix, AZ
Blog Entries: 2
Should You Give Monthly or Seasonal Heartworm Prevention...?
This is a decent article from Dr. Becker, HERE.
Should You Say 'No' to Standard Heartworm Protocol?
By Dr. Becker
Recently, I ran across an article at another online pet health site that claimed to debunk common misunderstandings about heartworm disease. The first "misconception" the author set out to discredit was "Heartworm prevention isn't necessary year-round." I thought to myself, "Here we go again "
What the author is suggesting is that all you misguided pet owners out there don't realize your furry family members should be on year-round, birth-to-death heartworm prevention drugs, no matter where you live, the time of year, the age of your dog (and sometimes, your cat), his size or health status.
Where Your Dog Lives Is the Most Important Consideration
As justification for recommending year-round heartworm preventives to all dogs everywhere, the author explains that, "Although it's true that areas with a large mosquito population have higher incidences of heartworm disease, this condition has been diagnosed in all 50 states."
This assertion can easily lead to an incorrect assumption about the prevalence of heartworm disease in the U.S. While it may be true that at least 1 dog in all 50 states has been affected, it does not mean heartworm disease is a significant threat in every state.
According to the 2016 heartworm prevalence map published by the Companion Animal Parasite Council (CAPC), just 1 out of every 76 dogs in the U.S. less than 1.5 percent tests positive for heartworm. In addition, in only 13 states are dogs considered at high risk for heartworm infection.
Those 13 states are primarily in the southeast, where soaring temperatures and high humidity during the warmer months of the year provide an ideal environment for mosquitoes to thrive.
The problem with conventional veterinary recommendations on heartworm prevention is that instead of focusing on the likelihood of infection and the risks versus benefits of administering a toxic chemical preventive every month of every year of an animal's life, the focus is on the scary, gross nature of a disease that occurs in only a small percentage of dogs.
Heartworm preventives are chemical insecticides with the potential for short- and long-term side effects damaging to your pet's health. In addition, heartworm "preventives" don't actually prevent the worms.
They poison the larvae at the microfilaria (L1 to L2) stage of development, causing them to die inside your pet's body.
In addition to concerns about the toxicity of these insecticides, there is also evidence of growing heartworm resistance to preventives. "Superbug" resistance is typically the result of overuse of certain classes of drugs, as in the case of antibiotics.
Perhaps the traditional veterinary community is well-intentioned, but their approach seems manipulative to me. In addition, it assumes pet guardians aren't bright or attentive enough to figure out when it's appropriate to protect their dogs from mosquito bites.
Regional Guidelines for Giving Heartworm Preventives
There are only a few areas in the U.S. in which giving a year-round heartworm preventive might be advisable those areas are in south Texas, south Florida, and a few other locations along the Gulf Coast. The rest of the U.S. ranges from three to seven months of high exposure risk. The majority of states are at six months or less.
If you're concerned your dog is at risk of a heartworm infection, in consultation with your holistic or integrative veterinarian, you can use the following maps to guide you in when to start and stop a heartworm preventive.
Map: First Dose of Season
Map: Last Dose of Season
For example, if you live on the Gulf Coast in either Texas or Florida where mosquitoes are a problem, the map suggests you begin giving a preventive on day one of month 1 (January), and give it year-round.
However, if you live in western Oregon or Washington, the map suggests you start dosing on August 1, and stop on October 1.
Just How Likely Is a Heartworm Infection?
Heartworms are a variety of roundworm (Dirofilaria immitis). They are spread by mosquitoes, and dogs can only get heartworm disease through infected mosquitoes. They can't get it from other dogs or other types of animals, from dog feces, or from their mothers while in the womb or through nursing.
Only certain mosquitoes can transmit heartworm to your dog. These mosquitoes must meet certain precise criteria, including:
--They must be femaleThis very specific mosquito must then bite your dog. When the larvae reach stages L4 to L5, which takes three to four months, under the right conditions they can travel via your dog's bloodstream to the lungs and heart. If your dog's immune system doesn't destroy the worms, they will reach maturity (L6), the adult stage, in which males can grow to 6 inches in length and females to 12.
Two other critically important features in the transmission of heartworm are:
1. The right temperature. During the time the heartworm larvae are developing from L1 to L3 inside an infected mosquito, which is approximately a two-week period, the temperature must not dip below 57 degrees Fahrenheit at any point in time. If it does, the maturation cycle is halted. Full development of the larvae requires the equivalent of a steady 24-hour daily temperature in excess of 64 degrees Fahrenheit for approximately one month.My Recommendations for Heartworm Prevention
If you live in an area of the U.S. where mosquitoes are common and you know your dog's risk of exposure to heartworm disease is significant, here are my recommendations for protecting your furry family member:
With guidance from a holistic or integrative veterinarian, try using natural preventives like heartworm nosodes rather than chemicals. Make sure to do heartworm testing every three to four months (not annually), as natural heartworm preventives can't guarantee your pet will never acquire the disease.The reason I do tests every six months is because parasites are becoming resistant to heartworm, flea and tick chemicals. The sooner we identify an infection in your pet, the sooner a protocol can be instituted to safely treat it with fewer long-term side effects.
~ A friend told me I was delusional. I nearly fell off my unicorn. ~
°¨¨¨°ºOº°¨¨¨° Ann | Pfeiffer | Marcel Verdel Purcell | Wylie | Artie °¨¨¨°ºOº°¨¨¨°
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