Normal rectal temperature in dogs is 100.5-102.5 F. You can measure rectal temperature in dogs by using thermometer. Temperature above 103 F can be due to fever if accompanied by some other signs of illnesses. Increase in body temperature due to exposure to hot and humid environment is also possible but it is different from fever.
To measure rectal temperature, push thermometer in the rectum of dog up to one inch and hold it there for 2 minutes. After this, pull it back and take the readings. This will be rectal temperature of dogs. This temperature measurement is possible by 2 persons because dogs don't allow to push thermometer in rectum.
To measure rectal temperature, push thermometer in the rectum of dog up to one inch and hold it there for 2 minutes. After this, pull it back and take the readings. This will be rectal temperature of dogs. This temperature measurement is possible by 2 persons because dogs don't allow to push thermometer in rectum.