Ключевые слова: active, activities, activity, agile, agility, animal, border, border collie, breed, canine, collie, command, competition, copy, course, day, dog, dog agility, dog sport, domestic, energy, enjoy, fast, field, fun, grass, green, happy, high, hurdle, jump, jumping, motion, nobody, obedience, obstacles, outdoor, pet, race, shepherd, show, space, speed, sports, summer, sunny, track, training, trial, working,