Fair enough and I don't claim nor even want to claim I know everything - my apologies if I sound that way. I'm more selective about trusting the AVMA - mainly because of the affairs re.the vaccination protocols. Also know that AVMA is against online pet pharmacies or allowing you to buy meds for the pet at regular pharmacies or even making issuance of prescriptions a law...If the AVMA is using the heartworm society as their guideline in JAVMA, that's good enough for me. https://www.avma.org/News/JAVMANews/Pages/050715d.aspx
I recommend checking out Pukka's Promise by Ted Kerasote or his website, the book is a bit too long and the useful info is all on the site.
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