Does anyone know if some cats (or dogs) have a natural immunity to fleas and ticks? My outdoor resident stray, Sherbie, who has resided here for over 6 years now, never has fleas and only an occasional tick. I've never used any flea or tick meds on him either. However, I was outside for just a few minutes this afternoon, and came in with 2 ticks crawling on me!
Anybody ever heard of this? I just find it to be rather strange that he never has a bug problem.![]()
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