Ключевые слова: activities, activity, agile, agility, animal, breed, canine, competition, copy, course, dog, dog agility, dog sport, energy, enjoy, fast, field, fun, green, happy, high, hurdle, hurdles, jack russel, jack russell terrier, joy, jump, jumping, motion, nobody, obedience, obedient, obstacle, obstacles, outdoor, outside, park, pet, playful, show, space, speed, sport, sports, summer, terrier, terriers, training, trial,