Australian racing, already rocked by the widespread use of the outlawed cobalt chloride, have moved to head off the next worrying prohibitive substance on the black market, xenon gas by announcing a testing facility.

And Sydney racing officials have not ruled out using the new capability to test frozen samples of swabs taken in the past.

Racing Integrity officers have warned trainers that a new testing laboratory had been established and that the use of the gas was against the rules of racing and they faced hefty penalties if discovered.

Stewards and vets have been working closely on the gas, maintaining it it will be a significant threat to racing in years to come. The new facility will be the German Sport University at Cologne.