Taking a Horse's temperature With a digital thermometer

Temperature is taken rectally in horses, using a digital or mercury thermometer.
  • If using a digital thermometer, turn it on and check the display is working. Add lubricant such as petroleum jelly to the bulb end of the thermometer.
  • Ask a helper to hold the horse for you. The operator should stand at the side of the horse, near the hindquarters to decrease the risk of being kicked. Take hold of the tail and pull gently towards the side of the hindquarters.
  • Gently insert the bulb of the thermometer into the anal sphincter. It is not necessary to insert the whole thermometer, just the narrowed section (approximately 3-4cm).
  • As the thermometer is inserted, angle it to one side so that the bulb rests against the mucous membrane and doesn’t end up hitting a ball of faeces which will be colder. Keep hold of the thermometer for at least 30 seconds or until the digital thermometer beeps to indicate it is ready to be removed. Never let go of the thermometer as it can disappear. With the help of the handler continue to reassure the horse.
  • Withdraw the thermometer and check the reading. Ensure the thermometer is cleaned and disinfected ready for future use.

Normal temperature range for a horse is between 37.5 – 38.5°C (99.5 – 101.3°F). A temperature much above or below this range could indicate serious illness in the horse and it is wise to consult your vet. Take your horse's temperature at regular intervals so that you get to know what is normal for them as an individual.

Westgate Labs Digital Thermometer

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A digital thermometer is one of the products we offer in our tack room essentials range to help you take the best care of your horse's health.

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