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.
Nest 1 found on April 8, 2005 now has three hatchlings, will be 11 days old tomorrow for one and 9 and 8 for the other two. The young are now almost fully plumaged and are strongly exercising their wings and will be ready to leave the nest in the next few days.he keeps the eggs at about 100 degrees with her body which has a temperature of about 104 degrees. On warm dry days she can leave the eggs uncovered for up to 15 minutes and leaves the nest on average about every 75 to 90 minutes for food and other reasons as they keep a clean house.