Cheryl and Sophie
Bugoff from Springtimeinc.com is what I have used with Sophie as well, going on 4 years come January. I have never used anything else toxin wise, I have used Omnishield by Koda before we hike in a more likely area to run into ticks or fleas.
On occasion I have seen a subdued flea, easy to pick up and remove. She gets prepared raw food in the am, Stella and Chewy's, occasional raw organic egg and shell, and Instinct dry at night.
Her titers have been good, wish the rabies challenge would announce legally and change rules on Rabies Vaccination. She's due in December.