Ключевые слова: active, activity, agile, agility, animal, border, border collie, breed, canine, collie, command, competition, course, day, determination, dog, dog agility, dog friendly, dog sport, domestic, energy, fast, fun, grass, green, happy, high, hurdle, hurdles, jump, jumping, midday, motion, nobody, obedience, obedient, obstacles, outdoor, pet, playful, race, season, shepherd, show, sport, sports, summer, training, trial, working,