Throwing in the towel... ((long))

Im sorry you are going through this, and I hope it can work out for you.  I havnt had any experience with this and someone with better info will probably be along sortly to offer their advice... but I think if it were me, and this may be a bad idea...?, I would try to make them play... Like you and another person each hold one of them and every day a couple times a day have them interact with each other... put them next to each other while you have control and as soon as she starts to fight punish her or say NO or whatever and if she goes a few seconds without doing anything them give them both a treat.  Maybe if you did this very frequently the time without fighting would increase and eventually you could teach them to get along...?  I dont know, that may be a bad idea... Im sure someone with more experience will correct me if it is, but seems like it may wrk...sorry I dont have more help for you.  Welcome!

I am so sorry that you are going through this with your dogs...  I can imagine that it must be very difficult for you.  I only have one dog, so, unfortunately no advice, but I wanted you to get a response and know that eople are out here and sending good thoughts for a positive outcome your way. 
 
I am sure some people with more to offer will be along soon to help.  I don't know that there is a good solution here - but if there is, someone on this forum will be able to help you find it...  Good luck!

I have 2 JRTs and have never had them scrap, just play really hard.
I was a bit taken back when you said that you had to choke them to get them to let go. I am not by any means an authority on training dogs but the last thing I would resort to is choking one of my babies to get them to stop fighting.
I don't mean to sound nasty but I think that for your own safety and the safety of all babies involved, maybe you should return her to the breeder. JRTs are know to get very attached to their owners and maybe this one needs more attention than you can offer it.

ORIGINAL: lena
I was a bit taken back when you said that you had to choke them to get them to let go. I am not by any means an authority on training dogs but the last thing I would resort to is choking one of my babies to get them to stop fighting.

I kinda chuckled at this one... because you would if it were the only thing that kept one of your "babies" from KILLING one of your other babies. That's why I specifically mentioned that this isn't a "squabble." This is an all-out, to-the-death fight. Be thankful if you've never seen one, because it is the most horrible, awful thing to see one of your dogs grab the other by the throat and literally try to kill them. I don't choke them because I like to, I choke my one dog because it IS life or death. IF he doesn't let go, my puppy will die. This isn't a routine training practice for me, miss positive reinforcement until the end... this is like "plan F" after plans a-e failed.
 
I don't mean to sound harsh, but it's a lot more serious than desensitizing them and we all live happily ever after. I tried that. It failed.

I know where you are coming from.We have two female Rottweilers who hate each other(it did not start out that way).I had to beat them over the head with a baby gate to get them to stop.You have no idea how scary it is unless you have seen two of your dogs fighting like there is no end and not knowing how to get them to stop.
We have set up the house to revolve around these two never coming in contact.We have gates everywhere inside and out side.
I have decided to place Daphney as I don't want it to ever happen again as I know one would be dead.(if not both and who ever else gets in their way).
Good luck on what ever you choose.

 I would tend to agree with lena, I have one JRT, and an older lab.  I do agility with Dasher (JRT) so he is around other dogs all the time and has never been aggressive towards anyone.  (But I will say that his breeder breeds JRT with excellent temperaments anyway so I knew he would be pretty good in this area).  I have not dealt too much with that type of aggression, my previous dog was a Dal and he was fear aggressive.  With my Dal I would always set him up for success.  I would not put him in situations where he may bite.  Eventually through training in obedience and agility he got a lot of confidence and was a new dog.  However, I knew walking through an extremely crowed area with lots of kids was not a good idea, so I avoided things like this throughout his life.  Maybe if there is certain areas where the dogs have always gotten along you can start there?  All of them sleeping on the bed would not seem like a good idea as usually sleeping on the (people) bed can be considered a "privilege" and the more dominate dog could get his/her nose out of whack if the others are on the bed as well. 

As far as breaking up the fight, when you say you choke them, I assume you don't mean you actually choke them?  Do you mean you scruff them?  Either way I would think this may not be the best idea.  First I would think you could get bit this way which would not be a good thing and not to mention choking a dog would not be something I would consider humane.  I am no trainer, but I think the best course of action would be to keep the dogs that fight separated this way you avoid the fights.  It could be that they may never get along, and maybe giving the pup back to the breeder is the best choice.  Sorry you have to go through this, dealing with aggression can be very difficult.

She already said that she doesnt want to choke them or anything like that, im not trying to get into anything here, but if she said thats all she could do to separate them before one got killed I wouldnt continue to mention that choking is bad... she seems to be aware of that and trying to explain.  But yes, if it is that intense then you should do whatever you have to do so that it doesnt happen again, sounds very serious... I guess only you can know if its too serious to ever be fixed...

[size=3]

As far as breaking up the fight, when you say you choke them, I assume you don't mean you actually choke them?  Do you mean you scruff them?  Either way I would think this may not be the best idea.  First I would think you could get bit this way which would not be a good thing and not to mention choking a dog would not be something I would consider humane. 

 
Yep, choke. As in, grab around the neck and squeeze. That is the only way my dog will release his grip...when he can't breathe. I'm sorry if this is inhumane and utterly offensive to you, and I'm open to suggestions, but until I find a better way, this keeps my dogs from killing each other in an emergency. Pouring water on the two females works, but the male isn't phased by water, blankets, scruffing, kicking, hitting, screaming, hanging upside down... need I continue? No, I don't believe that anything on that list after "scruffing" is really humane... but when your dog is attached to another dog's throat, humane or not, you do what works. And yes, separation is the best choice. I've had them separated for a long time, and then once... ONCE, I opened the door and hadn't completely latched a crate.
 

ORIGINAL: dasher
With my Dal I would always set him up for success.  I would not put him in situations where he may bite.  Eventually through training in obedience and agility he got a lot of confidence and was a new dog.  However, I knew walking through an extremely crowed area with lots of kids was not a good idea, so I avoided things like this throughout his life.  Maybe if there is certain areas where the dogs have always gotten along you can start there?  

[/size]
 
I've been really grooming my puppy's capabilities for agility from the start (teaching fetching, appropriate tugging play, basic obedience with agility in mind), but at about 8 months I couldn't get her near obstacles. She wasn't emotionally or mentally mature. Now I was just beginning foundation exercises, but I still can't control the fighting. I keep telling myself "a little more time" but in reality, I don't have any time left...
For some reason they get along fine (even enough to be left unattended) in the 40' x 10' kennel off the back of my garage. They play and run around and chase each other. Even if there's a bird or squirrel, they won't go after each other (like they do in the house) but will just watch it and bark at it. Other than that they have fought in every room of my house. Maybe I'll try retraining in from the garage. I don't know, it seems so impossible.

You already know the answer to your dilemma.  This is serious and could lead to the death of one of your dogs.  IMO, if the breeder is willing to take this pup back, you should do it.  However, please don't listen to the poppycock about it being your fault.  It is not normal for a six month old puppy to be fighting and providing other dogs with lacerations.  My sense is that your breeder created this, and should deal with the consequences.  This is not a breeder I would return to. 
 

How about trying to intercept their fighting with a soccer whistle?

Some dogs can not get along. Some dogs are dangerous. Some dogs are meant to be only dogs. Anyone who has ever had to give up on a dog understands that re-homing a dog into a more suitable environment is the best option for the dog.

So sorry you have to go thru this level of aggression.  I am familiar unfortunately.  Lena--I highly doubt that will work.  I could drop a bomb near Willow, if she's focused on something, she's not looking back at it. 

Some dogs can not get along. Some dogs are dangerous. Some dogs are meant to be only dogs. Anyone who has ever had to give up on a dog understands that re-homing a dog into a more suitable environment is the best option for the dog.

 
I guess I just feel so darned guilty... like I haven't gone to the ends of the earth for this puppy. And the reality is, her breeder flat out told me on the phone today that she wouldn't be able to keep her and would place her in a kennel home. She said that it's not ideal, but Paris will be just fine. But I know she won't, her breeder has never seen this dog "fence running." I feel guilty for giving her up in the first place, but even MORE guilty because I have a bad feeling about where she will go...
I want it to just "disappear"... if only that actually worked.
 
Thanks for the support, it's nice to know someone understands!

Going to the "ends of the earth" may result in 1 or 2 dead dogs. (and some badly scarred people) Is this dog a good candidate for an only dog home? Try contacting a JRT rescue. They might have some ideas. I have had to give up on a dog. And I have one now that would be pts if he wasn't with us.