With so many heartworm preventives available, it's not unreasonable for clients--and even veterinarians--to wonder which one is "best." The truth is that the BEST preventive is--quite simply--the preventive a pet owner will GIVE. As Dr. Elizabeth Clyde explains, factors like cost, covenience, mode of administration and frequency of administration all come into play.
AHS Board Speaks Out

Which heartworm preventive is best?
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