Moody is the latest to be charged as a result of the cobalt investigations.Moody is the latest to be charged as a result of the cobalt investigations. Photo: Pat Scala

Racing in Australia is facing its biggest challenge with allegations of widespread illegal use of cobalt by trainers and vets.

The charging of Peter Moody on Friday with three counts relating to the administration of cobalt has attracted the attention of racing enthusiasts all over the world.

He is one of the nation’s most successful horsemen, a modern great, but is facing a career-ending term if found guilty.