Possesive? Aggressive behaviour

minmax

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I have a yr old male GSD and a 3 mth GSD bitch. The male has shown aggressive behaviour today to another dog of a similar age to him who he used to play with. My two were both tied up in my hay and the other loose. Both the older ones are male with their 'bits'
Do you think this is protecting the pup?
I will not stand for this behavior so it needs sorting, I can't leave them while I ride if they are going to cause trouble.
Any ideas?
The only thing I can think is get his nuts off, which he will have done soon anyway.
Tried to introduce them again but mine barked and his ruff came up. Very naughty!
 

Booboos

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I don't really like commenting on aggression posts as I think they need a professional to help, but in this case I think you have hit the nail on the head. A tied up, entire male with a new female to protect is very, very likely to tell another entire male not to invade his space.

Personally I would castrate the male as it does tend to help with behavioural issues and you won't risk unwanted puppies with a bitch around. As for the yard, could you place both of yours in crates so that both they and other dogs are safe?
 

Sandstone1

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I would have thought if your dog was tied up and the others loose your dog felt threatend. He was also probably protecting the puppy. Its the fight or flight instinct really, he probably felt he could not get away so had to fight.
Its why some dogs can be argressive on the lead but not off it.
 

CorvusCorax

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Agree with the others. Get a collapsible crate or two to keep at the yard or bung yours in a stable. We have crates at the club to put dogs in when we nip up for tea etc and it works well.

B is neutered but is much more biddable with other dogs on his own than when his sister is there, he feels the need to man up and protect his 'unit'.
 

minmax

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Booked in for nut removal tomo at 8.45. I really will not have any naughty behaviour. I usually leave them in my stable but they stink so bad I thought I would leave them where they were. I don't let them loose on the yard unless we are up the field. Other people do but then we have pee and poo in our hay and strw, yuk.
 

minmax

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Lol, they will be missed.;)
Will do.
Was thinking.. he hasn't played with any bigger dogs since we got Pasha, wonder if that has anything to do with it. She will be duffing him up soon tho, little fluffy monster:D
 

Booboos

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I know what you mean about the stables, mine roll in the bedding sometimes and I want to kill them!!! (Betty needed an emergency wash last week at 10pm because somehow she had avoided detection of her 'crime' earlier in the evening - OH actually thought it was me that smelt that bad :eek:).

Crates are brilliant things and I am sure they will come in helpful in all sorts of situations.

Good luck tomorrow! :)
 

CAYLA

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Thats pretty normal behaviour for a tied up dog to be fair, same as the dog on a lead scenario, , he will no doubt be a little more pack orientated and show frustration at another dog showing interest in what he now deems a companion, he is also maturing and aware he has the means to warn off when need be, if unhappy simply put him in his place, show him there is a consiquence for his action via vocal or physical correction (I dont mean beat him):D a cesar style dig cornering him off and giving hima stern warning so that in future he knows to regard you, if you want to ride and leave them behind though, I would keep them seperate, fights break out in all circumstance and you will never know what happened if you where not there and you dont want a bad experience or the little one hurt in the mean time, I would not class him as aggressive though, I would say given he was tied and with the little one he was being more protective/warning off.
I agree though with the knackers off, and crates if you need to contain them.
Also get them used to playing and socialising together again when you can supervise and crrect any unwanted behaviour.
 
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