The Cape of Good Hope Society for the Prevention of Cruelty to Animals (SPCA) is expected to investigate bush racing across the Western Cape.
The sport, which appears to be popular in the province, forces retired racing horses to run on tar roads for gambling purposes.
Carte Blanche aired a disturbing expose this month showing the illegal racing in action using drone footage.
The footage showed unofficial race activities at the annual Mamre Wild Flower Festival which attracts scores of horses near Darling and surrounding areas.
Carte Blanche presenter John Webb says SPCA officials in the Swartland area have since asked for the footage.
These horses go through an enormous amount of trauma and it is very difficult to see.— John Webb, Carte Blanche presenter
Webb says law enforcement will also have to intervene if the regulation and clamp down of bush racing will be effective.
Take a listen to him explain what the Carte Blanche segment revealed: