Not establishing clear leadership and authority with a horse can lead to several negative consequences that may impact the horse’s behavior, safety, and the overall human-horse relationship. Showing the horse who’s boss, in a respectful and understanding manner, is an essential aspect of effective horsemanship. Here are some potential consequences of not establishing leadership:

Horses are herd animals and have a natural inclination to follow a strong and confident leader. Without clear leadership from the human handler, the horse may not respect their cues or commands, leading to disobedience and potential safety issues.
A horse that does not see the human as a leader may take matters into its own hooves, leading to unsafe behavior such as pushing, pulling, or running off. This lack of respect can make handling and riding the horse more challenging and potentially dangerous.

A horse that lacks clear leadership may receive inconsistent training cues from various handlers, causing confusion and frustration. This inconsistency can hinder the horse’s learning process and lead to behavioral problems.
In the absence of a clear leader, a horse may attempt to assert its dominance over the human. This can result in aggressive behavior, such as biting, kicking, or challenging the handler’s authority.

Horses are creatures of habit and seek security and predictability in their environment. Without a confident and reassuring leader, the horse may experience anxiety and stress, leading to negative health consequences and decreased performance.
A horse that does not respect the handler’s authority may become challenging to handle during grooming, tacking up, and veterinary procedures. This can make routine care and maintenance more challenging and time-consuming.
The human-horse relationship is built on trust, respect, and clear communication. Without establishing leadership, the bond between the horse and handler may suffer, hindering the potential for a fulfilling partnership.
In contrast, a well-established leadership dynamic allows the handler to guide and direct the horse effectively while fostering a positive and trusting relationship. Effective leadership involves understanding the horse’s natural behaviors, communicating clearly, and providing consistent training. Establishing leadership through patience, positive reinforcement, and understanding the horse’s perspective can result in a harmonious and mutually beneficial partnership between the human and the horse.