The technical term for this is ‘Pica’ which is defined as ‘the eating of nonfood items’. Causes for pica can be similar to that of coprophagia, and can range from normal exploration to actual medical condition.
If your dog has always been, for lack of better words, a ‘licky dog’ then it may just be a normal behavior for your dog. If it is a new behavior, there can be underlying medical or behavioral issues to address.
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