What is "rogilla"

Rogilla, was a chestnut Australian Thoroughbred gelding, who was a versatile racehorse performing in Australia. Known as the Coalfields Champion from Newcastle, Rogilla raced during a vintage era of the Australian turf. He won in each of the six seasons that he raced as a three-year-old to an eight-year-old. Rogilla was an outstanding galloper in Sydney and Melbourne on wet or dry tracks recording 26 wins from 4½ furlongs to 2 miles with regular jockey Darby Munro winning 16 races.