The Food and Drug Administration (FDA) identified 16 brands of dog food that had been linked to heart disease in dogs that eat them, according to a report the agency published Thursday. In the report, the FDA named for the first time the pet food brands most frequently associated with adverse events. In descending order of most incidents of heart disease, the brands are Acana, Zignature, Taste of the Wild, 4health, Earthborn Holistic, Blue Buffalo, Nature’s Domain, Fromm, Merrick, California Natural, Natural Balance, Orijen, Nature’s Variety, NutriSource, Nutro and Rachael Ray Nutrish. The heart condition examined in the report, canine...