The activity patterns of nonworking and working sled dogs

Area of Science:

• Animal behavior
• Canine ethology
• Exercise physiology

Background:

• Limited research exists on combined biological, environmental, and human factors influencing domestic dog activity.
• Sled dogs provide a unique model for studying these factors due to their close human interaction and outdoor lifestyle.

Purpose of the Study:

• To investigate the impact of biological (sex, age, breed), environmental (temperature), and human (work demands) factors on sled dog activity.
• To differentiate activity patterns between working and nonworking sled dogs.

Main Methods:

• Utilized accelerometers to monitor the activity of 52 sled dogs over 30 days across two Canadian locations with differing work demands.
• Employed linear mixed effects models to analyze the influence of various factors on daytime and nighttime activity.

Main Results:

• Male nonworking dogs were more active than females; younger working dogs were more active than older ones.
• Alaskan Huskies exhibited higher daytime activity than other breeds among working dogs.
• Temperature influenced nonworking dogs' activity (higher activity in colder weather), but not working dogs'.
• Work schedule was the most significant predictor of daytime activity in working dogs.

Conclusions:

• The impact of biological factors on canine activity is contingent upon the dog's physical demands.
• Human activity, particularly work schedule, is the primary driver of activity in working sled dogs.