Rescue and search dogs work in some of the most challenging environments for the canine body: unstable rubble, hard or abrasive surfaces, heat, dust, smoke, cumulative fatigue, and high mental demands.

Available veterinary literature clearly shows one point: musculoskeletal, skin, and paw injuries are common in these dogs, significantly impacting their occupational health and career longevity. 

Organization in France: SDIS Cynotechnical Speciality

In France, the cynotechnical specialty for firefighters is governed by a national training and reference framework, with structured pathways such as CYN 1, CYN 2, and CYN 3.

Level CYN 3 is notably offered at Valabre, at the Civil Security Application School.

However, the specific methods of training, validation, work-rest cycles, or operational re-evaluation can vary depending on the structures and specialties.

Breeds Used

In rescue teams, the most frequently encountered breeds are Belgian Malinois, German Shepherds, Dutch Shepherds, as well as some Labradors or Border Collies, depending on the missions and training schools.

This point mainly concerns field practices and functional selection: motivation, endurance, search capability, behavioral stability, and ability to work on difficult terrains.

Medical literature focuses more on the consequences of the work than on the "best breed" itself.

Visual representation of a Malinois, German Shepherd, Dutch Shepherd, Labrador, and Border (with a GoPro on its head).

Specific Physical Constraints: What the Data Shows

Search and rescue dogs are among the working dogs most exposed to injuries.

The best recent synthesis is a 15-year longitudinal study of 150 SAR dogs, 95 of which were deployed after the 9/11 attacks.

It shows that the musculoskeletal system is most frequently affected, with 31% of dogs concerned, followed by the integumentary system (22%) and the gastrointestinal system (20%).

Among musculoskeletal ailments, inflammatory, degenerative, and traumatic events clearly dominate. 

In other words, the main problem is not just the spectacular injury during an intervention.

It is also the accumulation of microtraumas, joint wear, ligament lesions, or spinal pain over the years.

This is particularly important to remember because a highly motivated dog may continue to work despite discomfort that has already set in. 

Rubble, Abrasions, Fatigue: Lessons from 9/11

One of the most useful bodies of work remains that of the dogs deployed after September 11, 2001. The medical and behavioral surveillance study of dogs involved at the World Trade Center, Fresh Kills Landfill, and the Pentagon shows that the most frequent problems during deployment included:

•  fatigue,
• cuts and abrasions (especially on the paw pads)
• gastrointestinal disorders
• dehydration. 

Morbidity was higher at the World Trade Center site, reflecting the significantly harsher environment there. 

This data remains central because it clearly shows what rubble does to a dog's body: sharp, unstable, abrasive surfaces, dust, heat, repeated efforts of climbing, descending, jumping, and stabilizing.

It's far from a simple "clean" and risk-free olfactory job... 

Paw Pads: A True Zone of Vulnerability

Paw pad injuries are one of the most typical ailments of working on rubble.

During the Camp Fire in California in 2018, lacerations and abrasions were the most frequent medical problem, reported in 43% of deployed dogs.

Ash, debris-hidden surfaces, and ground heat played a significant role. 

The practical takeaway is simple: for a rescue dog, paw pads are among the first areas to inspect before, during, and after work.

Protective booties can be beneficial in certain conditions, but they must be compatible with the dog's grip, balance, and safety. 

Injuries during Training and Activity: What Recent Surveys Show

An online survey published in 2023 on active working dogs reported an injury incidence of 45.5%, mainly minor muscular or musculoskeletal injuries.

The disciplines represented included surface search and rubble search.

The study also shows that preparation protocols are still incomplete: only 36.4% of respondents stated that they subjected their dog to a specific sports medical examination, and the systematic use of warm-up and cool-down remained irregular.

This is not absolute proof for all SAR teams, but it is a signal consistent with the rest of the literature: many highly active dogs still work with improvable prevention.

Thermal Load and Heatstroke Risk

Working at disaster sites also exposes dogs to a significant thermal load.

The combination of intense effort, difficult terrain, stress, ambient heat, and high motivation can delay the recognition of exhaustion signs.

Literature on working dogs emphasizes monitoring temperature, ventilation, recovery, and cooling strategies after exertion. 

Prevention relies on simple but non-negotiable measures:

• work-rest alternation,
• access to water,
• careful monitoring of respiratory rate,
• early cessation in case of decreased coordination or gait,
• adapted cooling procedures when conditions require. 

Exposure to Environmental Toxins

Dogs responding to urban or industrial disasters may be exposed to dust, smoke, and environmental contaminants.

Monitoring of New York City police dogs deployed after 9/11 documented these exposures and the necessity of careful decontamination after missions, particularly on their fur, paw pads, and contact areas. 

We must be honest here and qualify:

Yes, environmental exposure is real;

No, we cannot extrapolate without nuance to all contexts or claim that every type of toxin has been robustly quantified in all civilian SAR dogs...

Behavioral Health After Deployment: Caution, Not Extrapolation

Potential behavioral consequences of disaster deployment in rescue dogs exist, but the literature remains limited.

The systematic review by Salden et al. published in 2023 concludes that robust evidence of persistent behavioral deviations in working dogs after disaster deployment remains insufficient, and that extrapolating the military c-PTSD model too quickly to civilian rescue dogs should be avoided. 

The correct scientific position here is therefore caution: not denying possible effects, but also not overinterpreting them in the absence of strong prospective data.

Prevention and Best Practices

The prevention strategies best supported by literature are:

• targeted physical conditioning,
• regular orthopedic assessments,
• warm-up and cool-down routines,
• body weight monitoring,
• systematic paw pad inspection,
• and a real physical maintenance strategy throughout their career.

The Penn Vet Working Dog Center's Fit to Work program perfectly summarizes this logic: a working dog is not only protected by working less, but by being better prepared, better maintained, and better recovered.

In Conclusion

Dogs in rescue cynotechnical teams work in very harsh physical conditions...

Sources 

1. Seeley AC et al., A 15-year longitudinal study of search-and-rescue dogs identifies the musculoskeletal, integumentary, and gastrointestinal systems as commonly affected, JAVMA, 2024, PMID 37948846.
2. Otto CM et al., Medical and behavioral surveillance of dogs deployed to the World Trade Center and the Pentagon from October 2001 to June 2002, JAVMA, 2004, PMID 15485044.
3. Spinella G et al., Internet-Based Survey on Physical Activity and Incidence of Injury in Active Working Dogs, Animals, 2023, PMID 37238077.
4. Salden S et al., Disaster response and its aftermath: A systematic review of the impact of disaster deployment on working dogs, Applied Animal Behaviour Science, 2023.
5. Otto CM et al., Medical surveillance of search dogs deployed to the World Trade Center and Pentagon, JAVMA, 2010, PMID 20873528.
6. Farr BD et al., The Penn Vet Working Dog Center Fit to Work Program, Frontiers in Veterinary Science, 2020.
7. Parnes SC et al., A Randomized Cross-Over Study Comparing Cooling Methods in Working Dogs, 2023.