Wide mediastinum is caused by aortic rupture or mediastinal hematoma, but poor radiographic technique can lead to a mistaken diagnosis. The plain chest film and the aortogram are essential for the proper diagnosis of widened mediastinum in trauma.
1 Temperature: Chicken eggs should be incubated at a temperature between 99 and 102 degrees Fahrenheit (99.5 is often considered to be ideal). 2  Avoid temperatures outside the 97â103 Â°F (36â39 Â°C). 3  range. 4  If the temperature remains beyond either extreme for several days, hatchability may be severely reduced.
Depending on the age of the bird, juices might not run clear until itâs overcooked. Chicken and other poultry should be cooked to an internal temperature of 165 degrees F (75 degrees C).epending on the age of the bird, juices might not run clear until itâs overcooked. Chicken and other poultry should be cooked to an internal temperature of 165 degrees F (75 degrees C).