you may want to look at how those pig ears are made.
Are they from China. Many recalls because of salmonella. Many brands .
If they are "smoked" that is another unwanted chemical which can caused illness.
If they are hardened they may be plasticized making them indigestible causing blockages .
Because the dogs do like them owners will provide them frequently , enjoying the pleasure the dogs get . Pig ears are pretty fatty . Obesity in the future?
Watch for the stool -- hope you don't have to deal with diarrhea.