Greyhound racing is challenging by racing borzois.
Item title reads: "Racing Borzois Next? Experts, after first trials, say famous breed can be trained to rival greyhounds in chasing the electric hare."
C/U of a Borzois dog with its handler. A line of Borzois are walked around the track by men and women handlers. C/U of dog sniffing electric hare. Hare takes off, followed by some dogs, while others refuse. C/U of Borzois and greyhound.
Note: damaged title screen.