Son of Medaglia d'Oro had become aggressive to handle.

Spendthrift Australia shuttler Bolt d'Oro (Medaglia d'Oro) has returned to the operations Kentucky covering barn having missed a couple of days last month after he became aggressive towards his handlers. 

Bolt d'Oro had shown signs of aggression when he was in Australia last year and Spendthrift Farm have said that the stallion has responded positively to the recommended made by an equine behaviourist. 

Bolt d'Oro shuttled to Australia for the first time in 2019, covering a book of 104 mares at an advertised fee of $13,750 (inc GST). He was one of the most popular first season stallions in North America last year, covering 214 mares in his first book