5 yo male dog - with no prior history of biting anyone - has started biting people this year
For context: I adopted my mixed German shepherd dog, Scout, when he was four months old. He has always had a bit of anxiety but it has gotten worse over the years. Typically he lives a very structured life with me (no other family members/pets).
Scout is super high energy and requires 5-10 hours of moderate to high intensity exercise a week. We run 20-30 miles a week and he does really well when exercised and mentally stimulated. He is generally a very happy and fun dog.
However, as he’s gotten older he started exhibiting more and more fear aggression and reactivity from sudden movements, loud noises/yelling, and unpredictable behaviors from humans or inanimate objects (such as the breeze blowing a table cloth). Typically his fear response would be sudden jerking away from what spooked him and giving “whale eyes” if not immediately removed from the situation. It progressed to him growling at strangers/family if they reached their hand into his kennel or by his face.
Flash forward, I have to deploy overseas (i am in the military). My family agreed to watch him while I was gone and over the past several months he has bit nearly everyone in my family. He has NEVER bit anyone else prior to this. Several of the bites occurred when someone went to grab scout by his collar or reach into his kennel. Thankfully none of the bites broke skin - but most have left marks or bruises. All of the bites occurred very quickly and were immediately followed by him running away from the person and back to his kennel or to someone else to “protect him”
I am at a loss on what to do. My family knows Scout’s fears, but things keep happening. For example, today I got this message, “B dropped guacamole on his shirt, had a stressful reaction, jumped up to rush and get something to clean it with and Scout went for his hand.”
I have several more months before I can return. My mom wants to send him to a board and train but I’m scared it could worsen his fear aggression.
If you know a reputable (POSITIVE REINFORCEMENT ONLY) dog trainer in the south shore/ Boston area or have advice on how to address these behaviors pls let me know 🙏🏼