* The cow's behavior: The cow may become restless, pacing back and forth or kicking at her belly. She may also stop eating and drinking.
* The cow's physical appearance: The cow's udder may become full and firm, and she may have a discharge of milk from her teats. Her vulva may also be swollen and red.
* The cow's temperature: The cow's temperature may rise to 102 degrees Fahrenheit or higher.
* The cow's heart rate: The cow's heart rate may increase to over 120 beats per minute.
* The cow's respiration rate: The cow's respiration rate may increase to over 60 breaths per minute.
If you observe any of these signs, it is important to contact a veterinarian immediately. The veterinarian can determine if the calf has died and provide appropriate treatment for the cow.