The information below is from Edie MacKenzie, author of Goldendoodles – The Complete Pet Owner’s Manual.
Stage Six, or the Brat Stage, is from 4 to 6
months. Thіѕ is the pre-adolescent stage and is the best time to neuter or spay your puppy. ( Side note: My vet recommends 8 months to 2 years. Check with your vet.) Keep up the obedience training, but don’t expect too much.
Thе last stage of puppyhood is Stage Seven. The Young hood stage lasts from 6 months to about 18 months, and is usually a great time in your dog’s life – he’s young, he’s exuberant, he’s full of beans and yet he’s learning all the things he needs to become a full-fledged dog.
Be realistic in expectations of your dog at this time – just because he’s approaching his full growth and may look like an adult, he’s not as seasoned and experienced as you might expect. Gradually increase the scope of activities for your dog, as well as the training.
You can start more advanced training during this period, such as herding or agility training if that’s something both of you are interested in. Otherwise, extend his activities to include more people and other animals – allow him to interact with non-threatening or non-aggressive dogs.
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