Is it ok to let my dog chew on a cardboard paper towel roll tube?
Depends on the dog. Little dogs have more issues than big ones. The problem with eating cardboard is a bowel obstruction (blocking up their pooper). So, you want to be careful to not let her swallow a bunch. If she’s like my animals, she just wants to chew it to pieces and leave you a nice big mess to clean up. Just don’t leave her unattended while she does it. Go get her a rubber kong. You can hide a treat inside and she can satisfy her chewing urge safely.