The veterinarian discusses cases of dogs eating things like a fishing pole and multiple toy rubber ducks, and he shares what may be causing this type of behavior and how the actions of the owner could be contributing to the issue.
Dr. Arvid says some cases of pets eating harmful items could be caused by the eating disorder pica -- the craving and chewing substances that have no nutritional value, such as ice, clay, soil, or paper -- which occurs in humans and pets.
He also explains these instances could be related to a behavior issue in your pet. For instance, if your dog loves to play with items that the owner might scold the dog for, the pet could try to hide the evidence by swallowing it. He says it becomes an issue about possession for the pet.