Aggressive Newfoundland Puppy

We have a 41/2 mos old newfy, she is our 3rd newf puppy and 4th newf over the past 24 years.
She can be very aggressive toward my husband and I. When the breeder was contacted about this early on her response was "she is more like her mother than we thought" and her mother was a "challenge" but thought this was due to the fact that she was an only puppy. Our puppy is one of 10. The mom lost a lot of weight and the pups were weened early and we got her at 9 weeks instead of the normal 12 weeks. When we went to see the pups at 6 weeks we did notice that the mom never interacted with them for the 2 hours we were there. It is a reputable and well known kennel/breeder in the newf "world".

She does her basic commands well; sits, down, stay. She is not food aggressive, you can take this out of her mouth including a marrow bone with no problem. She is good with other dogs, even knowing to stay low with dogs much smaller than she is. Behaves well with strangers and will sit or lie down if we have a conversation with someone while we are out. She has never shown any aggression toward anyone else besides my husband and myself.

She doesn't know how to play, playing with her 90% of the time turns into her "attacking" us. She will jump, grab our arm often not letting go. She has drawn blood through clothes and left many bruises. There are times when you can be doing nothing but standing still and she "attacks". In the backyard same thing happens. You can be tossing a toy or ball and after 4 or 5 times she ignores the toy and charges after us. If you stop the "attack" she will stand infront of you barking and nipping at your legs. Backing her up just makes her worse.

We have tried so many things and nothing seems to work. Holding her down makes her more aggressive. Putting her in her crate and ignoring her until she calms down works but it is now getting harder to get her to go in her crate.

She is a big puppy, weighing 65lbs and is very strong and powerful. We have even wondered if there is a mental problem. We have been told there is no such thing as an aggressive puppy, she's only a puppy and will grow out of it. Articles after article we have read seem to contradict each other. One of our newf puppies was headstrong but after a few corrections the behavior stopped. This one seems to go into her own world where nothing gets through to her. We are considering returning her to the breeder as having a full grown newf that is aggressive is not acceptable.

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Out of control
by: Anonymous

So glad I found this page... our newfie is 3 months old and he's a complete monster. Always nipping and biting. If we try and correct him he barks and growels at us. He is completely dominant over our other dog even though we let the older one correct him he just attacks him... iv never come across this in any dogs we have had... Is it a weaning problem as we got him just shy of 7 weeks old? There are days I just want to give up and give him back... when he's good he's great. He sits gives the paw and lies down. Feeding isn't a problem. He's just very head strong. I think maybe neutering him could help.

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Pup
by: Doris

I got a 5 month old newfy as the people didn't want her anymore. A rescue. She was agreessive at first. In the month I have had her she has calmed down and listens so much better. Working on her jumping now. I yelled at her once for jumping and she started to bark at me too. I turned around to walk away from her and she tried to bite at my butt. I walked away from her and she calmed down. Then later she tried again and I walked away. Now she doesn't do it. She is learning fast. She plays with my almost 3 year old newfy. She is starting to be very loving. They can change. They crated her all day and all night. She has full run now at my house. Doing very well in her new home

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HE WILL outgrow it
by: Anonymous

I have a 17 month old newfie who was exhibiting the same type of behavior and was so bad I was also afraid of him! But he began to calm down around 15 months occassionally I will see the chewing on my arm but its usually to get my undivided attention. I feel your anguish but I promise he will outgrow it!

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Aggressive Newfie Puppy ( 4 months)
by: Anonymous

Our Newfie puppy is now 4 months old and has always been fairly aggressive since we got her at 8 weeks old. Out in the garden she will bark loudly in my face ( or anyone else who has taken her out). If we turns our backs she will quickly run to face us and make a point of aggressively barking and then growling. She bites at her lead and has destroyed one completely. Our last newfie was the most sweetest dog ever but this one is a complete monster. In fact, she is one of the worst dogs I've ever had. I'm being to realise from researching the issue that the the newfoundland can be a challange in terms of aggression and dominance rather than the myth of the 'gentle giant'. I am spending a lot of time training her as I do all my other puppies and dogs but I don't think any bond or trust will form between her and other family members if this continues.

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Follow-up
by: Anonymous

Hello. Stumbled upon this page in search of aggression in a newfoundland puppy and your posting mirrors my situation exactly. Only difference is my puppy is 3.5. months old. Just curious how everything is going - did you manage to find something that works or did your puppy grow out of it.?

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Aggressive newfie
by: Anonymous

Just read a post about an aggressive Newfie that could be describing my 10month old Newfie! He bites on your arms legs butt feet anything. He has destroyed so many things around my home. You can't pet him without him trying to bite in your arm. Then he barks loudly at you right in your face. To be honest he starting to scare me. He is far from the gentle giant I was expecting. He doesn't behave all that well on the first 10 minutes of walking it's a chore just to get the leash on him. The more research I do the more I am reading about others having the same problems. Praying somebody will tell me he will outgrow this behavior

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Nothing In Life Is Free
by: Adam G. Katz

Employ the "Nothing In Life Is Free" approach, so that your dog starts to view you as the "pack leader." If your dog doesn't see you as the leader, then your corrections will be meaningless. So, if you're doing subtle things (inadvertently) to undermine your leadership role around the house-- it will be counter-productive.



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