TeamDogs reports.A listener named Jane complained about her labrador, who is nearly two years old, becoming territorial towards guests who were staying in her B&B.Emma, another listener, shared a similar problem after her 11-month-old German Sheppard, Chase, became aggressive when she had a plumber in their home.Graeme shared that the trick was repetition – he said "one person won't be enough to train your dog,” and instead advised to repeat a similar process each time you introduce someone.Dogs need to get used to new people coming into their space and therefore you should introduce people who are particular steady with dogs, explaining to them that they will bark and play up.However, once the dog has simmered down, it should be the owner.
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