Guest Vers Posted February 4, 2016 Share Posted February 4, 2016 As much as I like the ultra-effectiveness of Preventic collars, Simba has twice had a bad reaction in the six years we've used them. I'll be asking my vet as well, but are there tick repellents that have been safe and effective for your greys other than Preventic? Thanks! Quote Link to comment Share on other sites More sharing options...
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