Recent Aggression from our male 6 mos. JRT

by Laura
(Apple Valley, MN)

We rescued a male JRT a few months ago from the life of a puppy mill. He is now just shy of six months of age. We have spent much time reasearching and educating ourselves on JRT's to have a better understanding. It is important to me to have Wilson socialize with both people and dogs. We also realize the importance of exercise for JRT's. Because we live in the midwest, we have been experiencing very cold temperatures. With this said, it has limited out time to go on walks, visit dogparks etc.. We took advantage of puupy play time at a local pet store. Wilson loved to play, wrestle and socialize with various breeds. He has attended a minimum of ten puppy play time classes. Just recently he started showing aggression to other dogs. He plays well with large breeds, but any small breeds or young puppies he is extremely aggressive. Just this evening he refused to release his bite on a small golden retriever puppy. It took a lot of prying to loosen his bite. Needless, to say, I was embarrassed by his behavior as well as for being asked to leave. Will neutering at this time give some help to his recent aggression? I am open to all and any suggestions.

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Apr 24, 2014
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JRT Behavior response NEW
by: Anonymous

Thank you for all the great advice! We have seen an amazing difference in Wilson's temperament since we had him neutered,and the weather is finally allowing us to exercise him on a more frequent basis. He will play ball for hours...we usually have to say, "Game Over", and put the ball away. I would still love to take him to a doggy daycare or dog park to socialize, but I am still apprehensive and cautious of possible behaviors which could creep back. We do occasionally foster other dogs, which I try to match up age and temperament to Wilson. So far, he has loved having the companionship while the fosters are at our home. However, could care less when they leave too!

Apr 24, 2014
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Agression in JRT NEW
by: Lesley

Our Jack Russell, Snowy, is exactly the same. He plays happily with large dogs but is wary and agressive with small ones. We take him to agility classes which are broken up according to size. The trainer decided that since Snowy can jump twice his height and is clearly more comfortable with the bigger dogs, that he may as well just go in the class for the big dogs! We watch him around small animals and I always warn the owners of small dogs we encounter that our guy is not overly friendly. He does play well with labradors, rottweilers and huskies though! I don't know why, whether it is something from his background (he was a rescue dog) or whether as our trainer suggested, he just sees himself as being one of the "big guys". He has never injured another dog, but I would not let him off lead with small animals without close supervision. We accept it is just part of him. In all other respects he is an awesome dog and not an ounce of trouble.

Feb 17, 2014
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JRT PUP AGGRESSION NEW
by: Anonymous

Go to Leerburg.com they have wonderful info on training a puppy and all dogs for that matter. You will find that you really ought not to bring your pup to play groups or parks. I have two jrts one a rescue, one a puppy I purchased.The puppy is a dream dog(now almost 2) He is respectful and such a blast but I spent the begining working on ground rules,and then slowly on commands. My other rescue is also great but she is always going to be a challenge!! They both go on the treadmill and in the pool in the summer,we hike and bike and have alot of fun and its easy to incorporate training sessions with play time. Good luck and again visit that site. P.S I live in northern Vermont so yes I know weather is a challenge.



Feb 06, 2014
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JRT Exercise/aggression
by: Wilson

Thank you so much for your response. I think you are right on track with the great need for exercise for JRT's. Quick question, do you attach his leash to the treadmill, or is he able to stay on it without a leash?

Feb 06, 2014
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Aggression acn be fixed
by: TJC

I shutter to think what I would do, if our JRT ever bit another dog, and so hard that he wouldn't let go. That would be terrible,unthinkable, and (almost) unforgiveable. Anyways, We found that our Tyson (2yrs. old JRT) was being agrgressive, starting to nip, growl, and snarl alot at anyone of of us, right around his 1st. birthday. We checked out his problem and thru trila & error we discovered that our Tyson needs to be EXCERSISED constantly / daily at least. He isn't fixed, and we only have the time to play with him for about an hour / day, but we always make time to "Run or Walk" him every single pain staking day. If we miss 2 days in a row, for whatever reason, he starts to get snappy, and growly /grumpy. in the summer we harness him up and take him for (minimum) 1/2 hr walks down by the park, or down a quiet street. in the winter (we bought a treadmill fo all 3 of us) so we simply ask him if he wants to go for a "Run" ? Man you should see him do circles with excitement. Barkin, standin on his hind legs, etc. So we let him run down downstairs and jump on the Treadmill. He is Barking very loudly by this time, asking us / me to hurry up and start it...We will start him off real slow for a couple of minutes, then eventually we get the speed up to 7.5. By this time he is in Doggy Heaven. He is at a full out right run. His tounge is hangin out the side, and he is slobbering down the belt. I stand right beside him, totally observing any signs of fatigue. We usually run him for a 1/2 hr +/- depending on how he is doing. When he is dune his run, we get a big drink, and then he sonters back up stairs and flops on to the couch. I always tell him he is a Good Boy, petting him to calm him down and after that he always passes out (sleeps) for at least one / two hours. We practise this everyday. It works for us and for him. We all have a happier life together because of his Daily excersise time. Hope this helps?

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