^{Teach him to come when called. Come Jasper! Good boy! Teaching him to come is the command to be mastered first and foremost. And since he'll be coming to you, your alpha status will be reinforced. Get on his level and tell him to come using his name. When he does, make a big deal using positive reinforcement. Then try it when he's busy with something interesting. You'll really see the benefits of perfecting this command early as he gets older.}
4. Consider changing your vet if he/she isn’t tuned in to your dog’s needs. While some vets are great with nervous and aggressive dogs, others are still very old school; they don’t listen to owners and use invasive and rough handling. There are, however, new techniques out there for vets dealing with anxious dogs. Dr. Sophia Yin has developed a program for vets that focuses on low-stress handling, which can make a huge difference in your dog’s anxiety levels. And Dogs in Need of Space has a list of vets who go the extra mile for anxious dogs; if you do want to change your vet, it’s a good place to start.
Lindsay says of this study, "Schilder and Van der Borg (2004) have published a report of disturbing findings regarding the short-term and long- term effects of shock used in the context of working dogs that is destined to become a source of significant controversy ... The absence of reduced drive or behavioral suppression with respect to critical activities associated with shock (e.g., bite work) makes one skeptical about the lasting adverse effects the authors claim to document. Although they offer no substantive evidence of trauma or harm to dogs, they provide loads of speculation, anecdotes, insinuations of gender and educational inadequacies, and derogatory comments regarding the motivation and competence of IPO trainers in its place." [64]
Once the source has been identified, your vet will then be able to devise a proper treatment plan. Now, this may vary greatly depending on the source. If it is just a phobia or fear, they may provide you with specific guidelines and recommendations on how to avoid the trigger from upsetting your dog. If it is something more serious, your vet will create a more tailored treatment plan depending on your dog’s individual needs and requirements.
Throughout this article, I will try to describe these gestures with the leash as well as hand gestures I used throughout Sally’s training. It’s important to be consistent with these things because eventually your dog will be off leash and you still want them to listen, right? So instead of relying on a leash, you can rely on a hand gesture as well as a voice command.
This is not the same as taking your puppy to a music festival or the bar and just exposing him to new things. Formulas such as “100 new people in 100 days” are well-meaning and might be right for some dogs. However, for a shy puppy, meeting that many people could backfire. It’s not enough to just expose your puppy to new things - you’ve got to make it positive.
Encourage him to enter the crate. Once you've made the crate an inviting space, use treats to lure him inside. At first, place some outside the door so he can explore the exterior of the crate. Then, place treats just inside the door, so he will poke his head in to retrieve them. As he grows more comfortable, place the treats further and further inside the crate.
You must judge when your dog is able to tolerate an increase in the length of separation. Each dog reacts differently, so there are no standard timelines. Deciding when to increase the time that your dog is alone can be very difficult, and many pet parents make errors. They want treatment to progress quickly, so they expose their dogs to durations that are too long, which provokes anxiety and worsens the problem. To prevent this kind of mistake, watch for signs of stress in your dog. These signs might include dilated pupils, panting, yawning, salivating, trembling, pacing and exuberant greeting. If you detect stress, you should back up and shorten the length of your departures to a point where your dog can relax again. Then start again at that level and progress more slowly.

Dogs are probably the most "verbally" expressive of all domesticated animals, and this only adds to their charm. From the whine of a puppy to the angry growl of an adult, dogs mean what they say. The more you understand these signals, the happier you and your dog will be. At the same time, it's important to know which noises constitute an annoyance, and how to train your dog to stop making them. We'll offer suggestions on teaching a dog to stop barking in this section.

Providing lots of physical and mental stimulation is a vital part of treating many behavior problems, especially those involving anxiety. Exercising your dog’s mind and body can greatly enrich his life, decrease stress and provide appropriate outlets for normal dog behaviors. Additionally, a physically and mentally tired dog doesn’t have much excess energy to expend when he’s left alone. To keep your dog busy and happy, try the following suggestions:
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Ask the breeder or rescue facility/group that you got your dog from f they observed any signs of anxiety. Dogs will develop anxiety in the earlier stages of their life  [14 weeks old] and how they interacted with other dogs after birth could affect their anxiety. Dogs that come from puppy mills could have higher chances of anxiety due to the conditions they were exposed to right after birth. 
Otherwise, there could be a food allergy or something else, and the anxiety merely exacerbates the condition. When my dog gets diarrhea, I usually switch to a bland diet. I use boiled/microwave chicken and white rice only, no treats, no extras. That helps to settle their tummy. For dogs that are allergic to poultry, we will need to use a different meat source. Once my dog is on a steady state, I very slowly reintroduce back her normal food, one at a time, to try and locate the source of the food allergy (if any).

Puppies can begin very simple training starting as soon as they come home, usually around 8 weeks old. Always keep training sessions brief — just 5 to 10 minutes —and always end on a positive note. If your puppy is having trouble learning a new behavior, end the session by reviewing something he already knows and give him plenty of praise and a big reward for his success. If your puppy gets bored or frustrated, it will ultimately be counterproductive to learning.

Remember that training is an ongoing process. You will never be completely finished. It is important to keep working on obedience training throughout the life of your dog. People who learn a language at a young age but stop speaking that language may forget much of it as they grow older. The same goes for your dog: use it or lose it. Running through even the most basic tricks and commands will help them stay fresh in your dog's mind. Plus, it's a great way to spend time with your dog.