My younger dog is getting very aggressive towards my older dog, including real biting. They’ve always played in the past, with the younger being very submissive. What’s going on?
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Are they the same sex? That can contribute, as well as maturity.
Work on obedience and other training with the younger dog, separate from the older dog. Wear his fuzzy butt out so he pesters the older dog less. I would start crating them when you can’t supervise just to keep both dogs safe, too – this behavior, if left unchecked, can turn into fighting.
Hello,
In some cases it is a combination of he puppy getting older and more boisterous and demanding of time and attention and an older dog getting tired and/or unable to keep up. If it appears that the puppy is escalating the play to the point of biting simply because the previous tactics and attempts are not working I would recommend you start playing more with the puppy, find a park where the pup can really let loose, or get a puppy for your puppy so your old dog can be at peace.