Greyhounds Australasia released a Study into Drug Administration on Feb 21st, 2002. This study releases guidelines for “suggested” withholding times for 42 items. A copy is listed below in a pdf format, or click here for the live website link.
The following information has been taken directly from the Greyhounds Australasia website on Feb 3rd 2017 9.43am and available in a pdf format
drug-administration-study-greyhounds-australasia-copy