By Susanne Broughton

Mantrailing, the practice of using a dog’s extraordinary sense of smell to locate a specific person by following their unique scent trail, it has evolved from an essential tool for search and rescue to an exciting activity for pet owners. While professional mantrailing is widely known in fields like law enforcement and search and rescue operations, pet mantrailing allows regular dog owners to tap into their dogs’ innate abilities, turning it into a stimulating and fun exercise.

The Science Behind Mantrailing

Mantrailing is based on the fact that humans constantly shed skin cells, sweat, and other tiny particles that contain our individual scent profile. These scent particles, called rafts, float through the air and settle on the ground, creating a trail that a dog’s acute sense of smell can detect and follow.

Dogs have one of the most powerful olfactory systems in the animal kingdom, with 200 to 300 million scent receptors, compared to a human’s mere 5 million. Additionally, the part of a dog’s brain dedicated to processing smells is 40 times larger than in humans, enabling them to identify individual scents in a highly complex scent environment. This means that dogs can follow a specific person’s trail even in places where other humans or animals have been, and over various terrains such as forests, fields, and urban environments.

When a dog engages in mantrailing, it works by distinguishing the specific scent of the target person from all other smells in the environment. Dogs trained in mantrailing can follow these scent particles even hours or days after the person has passed through an area, as long as the environmental conditions such as wind, temperature, and humidity have not completely dispersed the scent.

The Origins of Mantrailing

Mantrailing as a practice has roots in early human history, but it became formalised as a technique in the 19th century. Bloodhounds, with their highly developed sense of smell, were used extensively in Europe for tracking escaped prisoners and lost individuals. Their natural tracking abilities made them highly effective in law enforcement and rescue missions.

One of the earliest recorded uses of mantrailing in a professional capacity was in Scotland in the 1800s, where Bloodhounds were employed to trail criminals. Around the same time, in the United States, Bloodhounds were famously used to track runaway slaves and later criminals. The technique spread rapidly across the world, becoming an essential tool in police work and search and rescue efforts.

Over time, other breeds, including German Shepherds, Belgian Malinois, and Labrador Retrievers, have been trained for mantrailing due to their strong scent detection abilities and intelligence. In recent years, mantrailing has moved beyond law enforcement and search and rescue to become a popular sport and recreational activity for pet owners.

Sport Mantrailing: A Modern Twist on an Ancient Skill

In sport mantrailing, regular pet dogs, rather than professional working dogs are trained to follow a specific human scent for recreational purposes. This form of mantrailing harnesses a dog’s natural scent-tracking instincts and channels them into an enjoyable and mentally stimulating activity.

While sport mantrailing is grounded in the same principles as professional mantrailing, it is often less formal and rigorous. Instead of searching for missing persons, dogs in pet mantrailing typically follow the scent of person just hiding. Sport mantrailing has become popular in Europe, particularly in Germany and the United Kingdom, where organised clubs and training courses have sprung up to teach dogs and their owners how to engage in the activity.

The Training Process

Training a dog for pet mantrailing starts with introducing the dog to a scent article, such as a piece of clothing that has been worn by the target person. The scent article contains the specific odour particles that the dog will be tasked with following. The dog then learns to search for the person who left the scent, starting with short, simple trails and gradually progressing to longer and more complex ones.

The key to successful mantrailing lies in a positive reinforcement training approach. Dogs are rewarded with treats, toys, or praise when they successfully locate the person they are trailing. This motivates them to engage in the activity with enthusiasm and improves their scent discrimination abilities.

Benefits of Sport Mantrailing

Sport mantrailing provides numerous benefits for both dogs and their owners:

1. Mental Stimulation: Dogs need mental challenges to stay happy and healthy, and mantrailing offers a perfect way to engage their brain. The process of searching for and following a scent requires intense focus, which helps tire them out mentally.
2. Physical Exercise: In addition to engaging a dog’s brain, mantrailing also provides physical exercise, as the dog has to move through different environments, sometimes at a fast pace, while following the scent trail.
3. Strengthens the Dog-Owner Bond: Mantrailing is a cooperative activity between the dog and its handler. It fosters a strong sense of teamwork, as the dog learns to rely on its handler’s cues while the handler learns to trust the dog’s scent detection abilities.
4. Confidence Building: Mantrailing can boost a dog’s confidence, particularly for shy or anxious dogs. Successfully finding the person at the end of the trail gives dogs a sense of accomplishment and encourages them to rely on their natural instincts.
5. All Breeds Can Participate: While professional mantrailing often focuses on breeds known for their scenting abilities (like Bloodhounds or German Shepherds), pet mantrailing is open to all breeds and sizes. From small terriers to large retrievers, any dog can enjoy mantrailing with the right training.

The Role of Scent and Environmental Factors

While dogs’ noses are incredibly powerful, the environment plays a significant role in their mantrailing success. Factors like wind direction, humidity, temperature, and the presence of other animals can influence how a dog follows a trail.

• Wind can carry scent particles over long distances, helping or hindering a dog’s ability to detect the trail. A light breeze can help spread the scent in a way that is easier for the dog to follow, while strong winds may scatter scent particles in multiple directions, making the trail more challenging.
• Humidity helps to preserve scent particles in the environment, making it easier for dogs to follow older trails. Dry conditions, on the other hand, can cause the scent to dissipate more quickly.
• Temperature also impacts scent detection. Cooler temperatures tend to preserve scent longer, while hotter conditions can cause scent particles to rise and disperse more quickly.

Understanding these environmental factors is crucial for pet owners who want to engage in mantrailing, as it helps them work with their dog more effectively.

Summary

Sport mantrailing is a fascinating and enriching activity that allows dogs to use their natural abilities while providing physical and mental stimulation. Rooted in centuries of professional use, the modern adaptation of mantrailing for pets opens up new possibilities for dog owners to bond with their pets and engage in a fun, team-based activity. From its origins in law enforcement and search and rescue to its current role as a recreational activity for dog lovers worldwide, mantrailing continues to showcase the extraordinary capabilities of canine olfaction, offering benefits for both dogs and humans alike.