A. All of these products have the potential to be foreign bodies or cause digestion issues. However, typically occurs more often in pets that are aggressive or rushed when they chew on these. Observing your pet while chewing on these products is the best advice, because if they are slow and don't swallow big chunks without chewing them down, this can cause blockages and digestion issues later on down the road.
The one product that I constantly see causing teeth injuries is the antlers. I would stay away from these and other similar products that are too hard on the teeth.
A. If your dog bites off chunks and swallows them they can increase in size (due to them sucking up moisture) and consequently cause an intestinal obstruction. Only let your dog have them under supervision. I would stick with pig ears rather than use rawhide or bully sticks. (or get a large calf thigh bone from a butcher) your dachshund can gnaw on .
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