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.
How long it takes to digest food In general, food takes 24 to 72 hours to move through your digestive tract. The exact time depends on the amounts and types of foods youâve eaten. The rate is also based on factors like your gender, metabolism, and whether you have any digestive issues that could slow down or speed up the process.