My dog does this but she use to nibble holes in my blanket. My vet told me it is a form of anxiety, or in my case separation anxiety because my dog was taken from her mother too early and then was put in 3 different homes before I adopted her. read more
Dogs nibble and bite on blankets and other things to explore them. Dogs explore the world mostly through their senses of smell and taste, which is why puppies are so prone to chewing on things. Teething also causes young dogs to favor chewing as they cut new teeth. read more