April is Heartworm Awareness month. Most pet owners will have heard of heartworm—true to its name, it’s a worm that lives in pets’ hearts. Unfortunately, heartworm infection is common in both dogs and cats all throughout the lower 48 states. Domestic and wild dogs are the normal hosts for heartworms. Although less likely to develop a heartworm infection, cats and ferrets can harbor infections as well. (more…)