The Physics Factbook™
Edited by Glenn Elert -- Written by his students
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|Bibliographic Entry||Result |
|Carlson, Delbert G. and Griffin, James M. Dog Owner's Home Veterinary Handbook. New York: Howell, 1992: 407.||"Adult Dog: 100 to 102.5 degrees F. (rectal) (Average: 101.3 degrees F)."||37.8 39.2 °C|
|Geller, Roger. First Aid for Dogs and Cats. Veterinary Information Network, 1998.||"Temperature is between 101 degrees and 102.5 degrees."||38.3–39.2 °C|
|Spadafori, Gina. Dogs for Dummies.IDG, 1996: 190.||"… anything below 99 degrees or above 102.5 degrees is worth a call to the veterinarian."||37.2–39.2 °C|
|Gerstenfeld, Sheldon L. The Dog Care Book. Canada: Addison Wesley, 1979: 33.||"A normal temperature is from 101 degrees to 102.5 °F."||38.3–39.2 °C|
|Rivera, Angel M. and Gaveras, Peter. First Aid–A Summary of First Aid Tips For Pet Owners. USA: Waltham.||"Normal temperature: Dogs and cats = 101 °F–102.5 °F. Temperatures below 100 °F or above 103 °F are abnormal."||38.3–39.2 °C|
The average temperature of a healthy dog is 101 °For 38 °C, however, the normal temperature of a healthydog may range from 99 °F to 102.5 °F (37.2 °C–39.2 °C).
Dogs are homothermic or warm-blooded animals animals. Theirbody temperatures are maintained at a fairly constant level regardlessto the temperature of their environment. The hypothalamus is themain part of the brain that regulates body temperature. When thebody temperature is low, the hypothalamus stimulates the body'smuscles to shiver. When the body temperature is high, the hypothalamuswill stimulate the sweat glands and stimulate the blood vesselsof the skin to allow more heat to escape from the body.
Like most animals, dogs are insulated by their fur againstheat lost or gain. Since dogs don't have sweat glands other thanthe one's located on their footpads, they pant in order to reducetheir body temperature. They exhale large volumes of air by panting.A dog might get heatstroke if it's locked up in an unventilatedarea on a hot day. In this case, panting would not be helpfulin reducing the dog's body temperature.
A healthy dog is vibrant, alert and is enthusiastic about living.They are always ready for exercise or entertainment. Muscle movementis one of the main ways in which a dog can produce heat to maintaintheir body temperature. Another way is by food digestion. Likepeople healthy dogs have temperatures that varies one or two degreesdepending on the time of day, emotional state, level of activity,and environment.
Jie Yao Huang (Janice) -- 1999
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