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Change in behaviour
We have had a jack russell called elvis for under a year now and he has always been happy and loved welcoming people in and being socialable but a couple of days ago two of our rabbits got out the cage and my jack russell attacked them before i released they digged a hole and got out i now thats normal because they were used for hunting rabbits years ago but since then elvis, our dog has been acting odd he doesnt want to play, doesnt want to be strocked i dont understand why, he did get moaned at when he killed the rabbits but elvis doesnt care if he gets in trouble he just carries on being a wild puppy. Why has his behaviour changed so much?
Elvis is about 9 months old.
Please help thank you.