To reduce excessive howling, training techniques should focus on addressing the underlying cause. Positive reinforcement is key: reward your dog for quiet behavior with treats or affection. If howling is attention-seeking, ignore the behavior until it stops, then reward the silence. Desensitization training can help if the howling is triggered by specific sounds or stimuli; gradually expose your dog to the trigger at low levels, increasing exposure as they remain calm. Additionally, ensuring your dog gets plenty of exercise and mental stimulation can prevent boredom-related howling. Consulting a professional trainer or behaviorist is beneficial for personalized guidance.