basically 70% OF dog tracks have a media rights deal via BAGS ( bookmakers afternoon greyhound service ), years ago the old oxford was a bags track, think they raced on a Friday.
Several others do, central park, poole, brough park, Swindon.
The racing gets streamed to betting shops and other countries via sis, the media deal is muted to be coming too an end and there will be huge ramifications when it does