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Why does feces change color?

Updated: 8/10/2023
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7y ago

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It's the bacteria that makes it brown. And it doesnt always turn out brown somtimes its green, red, black, dark brown, or light purple so its not always brown it just ussaly turns out like that it depends on what you eat

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14y ago
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7y ago

Things that are burned turn brown, then black. So it is with the food that you eat. It is 'burned' in one sense by the hydrochloric acid in your stomach and turns brown. As food nutrients are absorbed in the gut, the food, now faeces, turn darker brown.

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That answer sounds good, but actually Human feces are ordinarily light to dark brown because of a combination of bile (from the liver) and bilirubin (derived from dead red blood cells). In fact, most feces still contain a fair amount of "unburned" food. As gross as it sounds, some scientists have demonstrated that they can make an edible meat substitute from feces because of the remaining "unburned" materials.

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15y ago

the contents get mashed up and it turns brown the contents get mashed up and it turns brown

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7y ago

It depends on what food stuff is ingested and the bacteria acting on the waste

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11y ago

Faeces is brown in colour due to the action of bacteria on broken down red blood cells (bilirubin)

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14y ago

Bacterias.

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Q: Why does feces change color?
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Related questions

Is feces always brown?

No, it can change color based on food digested or chemicals consumed.


Why does your puppy have green diarrhea?

A change in color or consistency of feces can stem from many reasons including a simple change in the type of dog food given. Certain commercial dog foods which have dyes in them to color kibble can cause green colored feces, but it shouldn't cause diarrhea. Puppies with any change in color or consistency of feces should be seen by a veterinarian to ensure that there is not a serious health concern such as parasitism or disease that has led to the change.


Will a female dog have a bowel change when they are in heat?

Yes, their feces will be less hardened and lighter in color while in heat.


Does pepto bismol change the color of your feces?

YES! It can turn your tongue black too but I've only experienced the black stool.


What is the color to healthy feces?

brown


What color is flies feces?

Black


Why doesn't dog poop turn white anymore?

The color of a dog's feces depends upon the diet he is fed. Most dogs pass feces that are brown in color; white would be very unusual.


Why does your one year old dog have green feces?

The color of feces is caused by something he is eating.


Are a polar bear's feces white?

No. It is more like the color of human feces and that of other mammals.


What color is roborovski dwarf hamsters feces?

Dark brown, the normal color.


What color is frogs feces?

It is brown like us


Why did my feces change to smell like my baby's feces?

Because you ate baby food.