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A thermal inspection is a non contact technique that
provides a pictorial representation of the surface
temperature of the horse’s body. Sensors within the
camera convert infrared radiation (heat) emitted from
the surface of the skin into electrical impulses that
are shown on the image as areas of colour. White
represents the hottest temperature and is found on areas
where there is major blood flow including parts of the
face and the coronary bands, down through red, yellow,
green to blue and finally black which represents the
coldest areas. A blue streak indicating a lack of
temperature can indicate pinching or pressure for
example on a nerve root in the neck, while a pink or
white area can indicate soft tissue, muscular or tendon
damage. As there is a high degree of thermal symmetry in
the body, abnormal or asymmetrical changes which are
usually indicative of a problem can be easily
identified. An experienced Thermographer can interpret
these images and advise the owner or trainer where there
is an area of abnormal temperature, allowing a
veterinary surgeon to diagnose and treat the problem
 The procedure only takes a few minutes, during which
time the Thermographer examines the horse thoroughly
through the camera lens. The horse is not touched during
the inspection, making it ideal for young or nervous
horses. The results of the inspection are instant, and
the thermal images are left with the owner so that a
full diagnosis can be made.
Used extensively since 1996 and approved by veterinary
practices as an invaluable aid to assist diagnosis, the
infrared inspection is carried out at the yard where the
horse is kept. This ensures that the horse is relaxed
and eliminates any stress which might be incurred during
travel.
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