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post #1 of 13 (permalink) Old 09-24-2018, 11:41 AM Thread Starter
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Aggressive GSD Puppy

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about 11 hours ago · #1
Aggressive GSD Puppy?
Hello,
I've owned two purebred GSDs before, both rescues. One was adopted at 1 1/2 yr and the other at 9 mo. They were awesome dogs, laid back, great with people, never any behavior problems. After our last fellow passed, we decided to try getting a puppy from a breeder. We met both parent dogs and brought a male pup home. He's been with us a month and is currently 5 months old. He'll be getting neutered next month. My concern is that he has acted aggressively with visitors at our house. He lunges, barks very aggressively, and I think he would bite if not restrained. He is unpredictable about it too. A friend of my son's was over and he was completely fine with him, and then the next time he visited, our pup acted like he was going to attack him. Same thing happened when my father-in-law visited. Fine with him first time and then vicious the second time. Any ideas why he'd act this way, and any advice? He's so different from our first two dogs.
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post #2 of 13 (permalink) Old 09-24-2018, 01:42 PM
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Puppies need to be taught how to behave around people, other dogs, traffic, kids, etc.,...they don't come preprogrammed knowing what "behave" means to you. Neutering won't help this. But training will. What do you do when your dog acts aggressively toward friendly visitors? How does your puppy act toward people away from home?

It's not the size of the dog in the fight, it's the size of the fight in the dog. Mark Twain

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post #3 of 13 (permalink) Old 09-24-2018, 01:47 PM
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Definitely a fear response. You shouldn’t have to teach your dog to not have this reaction at this age. I have a 5 month old right now and has never barked or lunged at a single person. I would consult a trainer ASAP.
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post #4 of 13 (permalink) Old 09-24-2018, 02:01 PM
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SOCIALIZE, SOCIALIZE, SOCIALIZE You can NOT do this enough when they are puppies
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post #5 of 13 (permalink) Old 09-24-2018, 02:13 PM
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SOCIALIZE, SOCIALIZE, SOCIALIZE You can NOT do this enough when they are puppies
Over socialization can certainly cause a reactive dog. Seen it many times.
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post #6 of 13 (permalink) Old 09-24-2018, 02:43 PM
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Originally Posted by konathegsd View Post
Over socialization can certainly cause a reactive dog. Seen it many times.
Agree. You can’t flood them. OP, you probably need a trainer to help you get through this. Look for a good balanced trainer (not positive only) who understands GSD. The earlier you can get this under control, the better. Don’t wait around and let this become behavior your puppy gets to practice over and over.

ETA: Is he crate trained? I would put him up in a crate where no one can bother him when you have visitors for the time being, until you can get help in person from a trainer.

Train the dog in front of you.
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post #7 of 13 (permalink) Old 09-24-2018, 03:52 PM
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Hello,
I've owned two purebred GSDs before, both rescues. One was adopted at 1 1/2 yr and the other at 9 mo. They were awesome dogs, laid back, great with people, never any behavior problems. After our last fellow passed, we decided to try getting a puppy from a breeder. We met both parent dogs and brought a male pup home. He's been with us a month and is currently 5 months old. He'll be getting neutered next month. My concern is that he has acted aggressively with visitors at our house. He lunges, barks very aggressively, and I think he would bite if not restrained. He is unpredictable about it too. A friend of my son's was over and he was completely fine with him, and then the next time he visited, our pup acted like he was going to attack him. Same thing happened when my father-in-law visited. Fine with him first time and then vicious the second time. Any ideas why he'd act this way, and any advice? He's so different from our first two dogs.[/QUOTE]

Talk to your breeder. True aggression from a 5 month old puppy is very rare and play behavior from a puppy with proper GSD working dog temperament can be mistaken for aggression by people more used to pet dogs.
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post #8 of 13 (permalink) Old 09-24-2018, 04:20 PM
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Originally Posted by konathegsd View Post
Over socialization can certainly cause a reactive dog. Seen it many times.
Over socialization..... I can not even understand such a thing.... WHAT AM I MISSING HERE...
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post #9 of 13 (permalink) Old 09-24-2018, 04:29 PM
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Over socialization..... I can not even understand such a thing.... WHAT AM I MISSING HERE...
You are missing reading a lot of recent threads in this forum that have discussed this very topic.
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post #10 of 13 (permalink) Old 09-24-2018, 04:44 PM
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Originally Posted by Malibu View Post
Over socialization..... I can not even understand such a thing.... WHAT AM I MISSING HERE...
I think it’s really depends on the dog. Some can take whatever you throw at them and others require socialisation in smaller doses or it can become stressful.
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