Newmarket, Suffolk.

Various shots of horses at Britain's first Animal Health Trust Equine Research Station at Balaton Lodge, where veterinary scientists investigate horse diseases. Horses are led about and look out of their stables.

A horse has his leg bound up with electrical cable. A small pony has electrodes attached to his legs so that his heart can be checked by an electric cardiograph machine controlled by Lieutenant Colonel Hickman.

A man in a white coat takes off surgical rubber gloves and tends to a horse. A scientist woman in a white coat looks into a microscope and takes a sample from a Petri dish.

A man in a field holds onto a rein while a horse runs around him in circles for exercise. Men lead horses out of the exercise paddock.