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ok here's the deal I have two dogs liter mates both males 2 1/2 years old. They have never been aggressive with each except for few very brief and mild fights over a bone or something. those at most last 30 seconds before they just stop. They are not fixed

for some reason they were very aggitated with each other for the last 2 hours or so tonight (after being outside together all day) finally they just cut loose and went at and would not stop. I sprayed them with a hoose which did nothing and finally had to go in and pull the apart.

one has a punture would in his front shoulder which has stopped bleeding now (there was blood on both dogs)


Is this normal. how long should I keep them seperated?

any ideas what is going on?