The biology behind why Boerboels jumping on people
Boerboels were bred in South Africa as farm guardian and working dogs with an exceptionally strong bond to their family, which makes physical contact-seeking a deeply ingrained behavior. Their protective instincts drive them to greet and assess newcomers assertively, and jumping is an extension of that dominant, confident nature. At 150–200 lbs, what began as an endearing puppy behavior becomes genuinely dangerous when a fully grown Boerboel launches itself at a person.
Why it gets worse before it gets better
Many owners allow or even encourage jumping when the Boerboel is a puppy because it feels affectionate, not realizing they are reinforcing a behavior that will be physically hazardous at full size. Inconsistent correction — where some family members push the dog down while others allow or reward greetings — signals to this highly observant breed that jumping is situationally acceptable, which makes the behavior nearly impossible to extinguish.
Consistency is the mechanism of change: Even one instance where the behaviour is reinforced sets progress back significantly. The dog only persists because it has worked before.
The most common owner mistakes
These are the patterns that keep Boerboel owners stuck in a cycle for months or years:
Reacting With High Energy
Shouting, pushing, or making a scene when the Boerboel jumps inadvertently rewards the behavior — this breed interprets excited human energy as engagement and escalates accordingly.
Underestimating Puppy Size Trajectory
Owners often tolerate jumping in Boerboel puppies because it seems harmless at 20 lbs, failing to recognize that the same behavior from a 180-lb adult is a liability and injury risk that is now deeply ingrained.
Relying Solely on Physical Correction
Attempting to physically block or knee a Boerboel as a primary correction strategy can backfire badly — this breed was built to withstand physical confrontation, and repeated rough handling can trigger their guardian instincts or damage trust.
What a proper fix requires
Solving jumping on people in a Boerboelis not a single technique — it's a protocol built across multiple phases. What genuinely works involves:
What an effective protocol looks like for this breed
The exact sequence, timing, and progression for your specific dog depends on their age, how long the behaviour has been reinforced, and your environment. That's what a personalised plan accounts for.