Over the course of March in Sedona, the chance of a day with only rain decreases from 17% to 12%, the chance of a day with mixed snow and rain remains an essentially constant 1% throughout, and the chance of a day with only snow remains an essentially constant 0% throughout.
Testing. 1  All dogs should be tested annually for heartworm infection. 2  Dogs should be tested for heartworm if they are going to be switched from one preventive to another. 3  Puppies under seven months of age can be started on heartworm preventives without first being tested.
RECOMMENDED READING for Heartworm. 1  Heartworm Medicine for Dogs and Cats: Comparison Chart Use PetCareRx's chart to compare major heartworm medicine for dogs and cats to help you decide which brand is best for your pet. READ more; Heartworm Medication - Dog Heartworm Prevention Meds. There are many different types of heartworm medication, ranging from chewable tablets to spot on treatments. Learn about the different options here. READ more