If you've ever walked past a dog trainer's window or scrolled through online forums, you've likely encountered passionate debates about aversive training tools. Shock collars, prong collars, and electronic collars (e-collars) remain controversial in the pet training world, with veterinarians and animal behaviourists increasingly questioning their use. But what does the science actually tell us? In this article, we'll explore the evidence behind these devices and help you make an informed decision about your dog's training and wellbeing.
What Are These Collars and How Do They Work?
Before diving into the evidence, let's clarify what these tools are:
- Shock collars (also called e-collars) deliver electrical stimulation to a dog's neck when activated remotely
- Prong collars use inward-pointing metal links that pinch the dog's neck when the lead is pulled
- Electronic collars vary in function but typically use vibration, sound, or electrical stimulation as a correction method
These devices are marketed as training tools designed to interrupt unwanted behaviour through discomfort or pain rather than positive reinforcement.
What Does the Science Say?
Research into aversive training methods has been growing, and the findings are telling. A 2016 study published in the journal PLoS ONE found that dogs trained with aversive methods showed elevated stress hormones and signs of fear and anxiety. Multiple veterinary organisations, including the American Veterinary Society of Animal Behaviour (AVSAB) and the British Veterinary Association (BVA), have issued statements cautioning against aversive training methods.
The evidence consistently shows that these collars can:
- Increase stress levels and cortisol production in dogs
- Cause fear and anxiety-related behaviours
- Damage the dog-owner bond
- Lead to unpredictable or aggressive responses
- Create negative associations with the environment where they're used
Welfare Concerns and Behavioural Risks
Beyond stress, these tools pose genuine welfare risks. Dogs may develop learned helplessness, where they become withdrawn and unresponsive. Others may exhibit heightened anxiety or aggression, as pain-based corrections can trigger a fear or fight response rather than genuine learning.
A particularly concerning finding: dogs trained with aversive methods are more likely to show signs of stress-related behaviours like excessive barking, destructiveness, and reactivity. Rather than solving behaviour problems, these tools often compound them.
Effective Alternatives That Actually Work
The good news? Modern, science-backed training methods are far more effective. Positive reinforcement training—rewarding behaviours you want to see more of—creates lasting behavioural change without the welfare concerns:
- Reward-based training: Use treats, praise, and play to reinforce good behaviour
- Consistency: All family members should use the same commands and rewards
- Professional guidance: Work with a certified dog trainer or behaviourist who uses force-free methods
- Environmental management: Prevent unwanted behaviours by controlling the dog's environment
- Exercise and enrichment: Many behaviour problems stem from boredom or excess energy
Making the Right Choice for Your Dog
If you're considering any aversive training tool, pause and explore alternatives first. Your dog's mental and physical wellbeing should always come first. Seek out trainers certified by reputable organisations that promote force-free, science-based methods. These trainers often cost similar fees to traditional trainers but deliver superior, lasting results.
Key Takeaways
- Shock, prong, and e-collars cause stress and can increase behavioural problems
- Major veterinary organisations discourage their use
- Positive reinforcement training is more effective and builds trust
- Professional guidance from certified, force-free trainers yields the best outcomes
- Your dog's wellbeing and your relationship are too important to risk on aversive methods
Your dog depends on you to make decisions in their best interest. By choosing reward-based training, you're not just solving behaviour problems—you're strengthening the bond between you and your beloved companion.