How do I take my pet's temperature?
Occasionally, you may need to take your cat or dog’s temperature, especially if your pet is ill. To do this, you’ll need a rectal thermometer – like one used for babies – and some petroleum jelly.
Start by shaking the thermometer until the mercury reads below the ninety-five degree mark. Then lubricate the thermometer with petroleum jelly. With one hand, raise your pet’s tail at the base and hold it up firmly so the animal cannot sit down. Then, with a twisting motion, gently insert the thermometer into your pet’s anus. Hold it there for between one and two minutes, then remove it; wipe it down quickly; and take a reading.
An adult cat or dog’s temperature should be between one-hundred and one-hundred-two point five degrees.
– Dr. Andrea Looney, DVM for the “Purina® Animal Instincts” Podcast Series