sentences:  Like The Tetrarch, from whom he inherited his colour, Tetratema was trained throughout his racing career by Henry Seymour "Atty" Persse at Stockbridge in Hampshire.He was ridden in most of his races by the Australian jockey Brownie Carslake.Tetratema never contested a maiden race, beginning his racing career by winning the valuable National Breeder's Produce Stakes over five furlongs at Sandown Park Racecourse.