My Ruger is now 5 months old. He is still biting a lot. Last night while trying to clean his ears he was showing his teeth and nipped at me. Also he has been to puppy school and has just recently started the beginner class, in the class we are asked to use a choke collar. The collar worked well for two days or so than it just stopped and he would start biting the leash or me. Need some pointers on biting and if anyone knows of a GSD trainer in North Dakota that would be much appreciated.
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