Breathing operation information revealed to punters for first time

• Four horses declared on Friday have had wind surgery• The quartet of runners are at Chepstow and Musselburgh Four horses will carry the letters "WS" against their name on Friday's racecards, the first day of the British Horseracing Authority's controversial new regime which requires trainers to declare when a horse has undergone a wind operation since its latest start. One runner at Chepstow - Alberobello in the 3.20 race - has been declared as having had wind surgery since his last start ...