Yes, I think most of us give heartworm preventatives on YT. Statistically though, about 55% of owned dogs in the US don't get it. Very scary..   
Spinosad (Comfortable, Trifexis) do not have the best safety profile. Comfortis may work well, but I personally won't use it.     
				__________________  Crystal  , Ellie May (RIP)  , Rylee Finnegan  , and Gracie Boo🐶      |