Here's why:
* Hormones: Neutering reduces testosterone levels, which are responsible for much of the marking behavior in male dogs. However, other factors can still contribute to marking.
* Anxiety: Marking can be a sign of anxiety, insecurity, or stress, even after neutering.
* Territoriality: Some dogs may mark their territory even without high testosterone levels, simply because they feel the need to establish dominance or boundaries.
* Habit: If a dog has already developed a habit of marking, it may take time and training to break it even after neutering.
What can you do?
* Neutering is a good first step. It will significantly reduce the hormonal drive to mark.
* Address underlying issues. If your dog is anxious or insecure, work with a veterinarian or a certified professional dog trainer to address those issues.
* Proper training and management: Consistency in housetraining and using positive reinforcement methods can help curb marking behavior.
* Clean up thoroughly: When your dog marks, clean the area thoroughly with an enzymatic cleaner to remove any lingering scent and deter him from marking again.
If your dog continues to mark after neutering, consulting a veterinarian or certified professional dog trainer is recommended for further advice and potential solutions.