A stool culture is done to: 1  Find the cause of symptoms. 2  Find and identify certain types of organisms that are causing infections or diseases. 3  Identify a person who may not have any symptoms of disease but who carries bacteria that can spread infection to others. 4  Find out if treatment for an infection has worked as it should.
Meat may stay in the intestines for 24-72 hours and still depend on its type. Likewise, red meat in particular takes 1-3 days to complete the digestion process because of fat content and high protein, according to Lisa Cicciarello Andrews of University of Cincinnati.
If you usually eat calorie rich food such as meat, then it takes almost4â5 hours for the stomach to get rid of it (red meat can stay in your system 3 to 4 days after consumption and longer in the digestive tract). Typically your stomach should empty within 2 -3 hours.