I have placed my 10 month old German Shepherd in a board-and-train training center. The dog can get aggressive towards strangers and the trainer has said that he will keep my dog to wear a muzzle for several days and nights (yes, I mean 24/7), until the dog gets accustomed to the new environment and people. Is it appropriate to use such method or is it a red flag? I welcome any feedback, but opinions from professionals/breeders/vets are most appreciated.
Edit
After receiving many confirmations that it's not acceptable to treat the dog this way, I'm cancelling that training stay and taking him back to home. Thanks to everyone sharing their opinions.
submitted by /u/morfrom
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