Figure 1.

Diagram of competition yard course (not to scale). Illustration of standardised competition yard course. Dog graphic—starting point of dog for competition and video recording coding; Sheep graphic—starting point of sheep for competition and video recording coding; Holding-pen—first holding pen along competition course and end of video recording coding when last sheep entered. Drenching race—commonly used to administer veterinary therapeutics. Solid lines—yard fences; Broken lines—gates. The drafting (commonly used to separate selected sheep from the main flock) and loading pens and races (used to load sheep onto transport vehicles) section of this competition course were excluded from video recording coding. Arrows indicate direction of movement in races.