Fifteen greyhounds died and 197 injuries to animals were recorded at Shawfield Stadium between 2017 and 2020, according to new figures.
An animal rights group has condemned the Greyhound Board of Great Britain for taking nearly five months to report a serious welfare breach to the authorities.
A greyhound trainer has been banned for breaching animal welfare rules after neglecting a dog so badly it had to be euthanised.
Qatar Airways has introduced an embargo on the shipment of greyhounds to nations with poor records on animal welfare after an animal welfare campaign.
Cocaine, amphetamine, steroids and beta blockers were among prohibited substances found in the bloodstreams of greyhounds at Shawfield Stadium in Glasgow.