Talk turned to the touchy subject of testicle removal at Sha Tin on Sunday, regarding horses of course, and in particular the complications that come with training colts in Hong Kong.

The topic of castration came into focus when a couple of Hong Kong Derby hopefuls - Helene Charisma and California Whip, who remain "intact" as colts, for now, failed as favourites.

For the full article, go to http://www.scmp.com/sport/racing/news.