Group 3 winner Mouro has been retired and will now begin his stud career.

Saturday’s HKG3 Queen Mother Memorial Cup at Sha Tin could represent the dawn of a new era in Hong Kong’s staying division with six four-year-olds among the 13 horses engaged for the mile and a half contest.

Australian Cup winner Spillway and the Godolphin star Hartnell head a list of 12 Australian-trained entries for Hong Kong’s G1 Audemars Piguet Queen Elizabeth II Cup at Sha Tin on April 26.

Paul O’Sullivan has high hopes for Aerovelocity with Sunday’s HKG2 Premier Bowl to give the trainer a sighter for a tilt at December’s G1 Longines Hong Kong Sprint.

Designs On Rome (133lbs) heads a line-up of champions in Sunday’s (5 October) HKG3 Celebration Cup at Sha Tin.