Breadcrumb Home 7 Things you can do to keep your pet healthy 7 Things you can do to keep your pet healthy Keep your pet at a healthy weight. Exercise your pet. Feed your pet a balanced, nutritious diet. Have your veterinarian examine your pet at least once a year to make sure your pet is healthy and to help detect problems earlier. Vaccinate your pet against potentially deadly diseases such as distemper, parvo, panleukopenia and rabies. Keep your pet free of parasites (fleas and ticks, heartworm, etc.) – consult your veterinarian for the best product for your pet. Spay or neuter your pet.