Hemoglobin in your red blood cells, has a certain lifespan and eventually has to be broken down and replaced. When its broken down it gets broken into belirubin which is what gives your faeces there colour. As for the smell im unsure but am guessing its because all the goodness has been taken out of the food you've eaten, leaving behind useless waste.
Cyanide poisoning.
Sometimes color changes are due to neurotoxins.
ALL cat feces (or any feces of all species) has an odor, but if a cat's feces has an especially putrid odor, along with possibly being loose, it is possible that the cat has coccidiosis. Which is caused by a protozoan parasite. Kittens have died from lack of treatment for coccidia.
Hagonoy, with scientific name, Chromolaena Odorata, in known to reduce or remove foul odor in swine feces. This is due to its fermentable carbohydrates and vitro digestibility.
The blending of the ingredients in the soup causes the odor or aroma.
It is the bile that gives color to our feces and urine. insufficient bileIt means that the bile is not being squirted onto your faeces which gives it the brown pigment, so it could means that something such as stones are blocking the bile passage
Fresh bat guano has a putrid odor because it is feces. The odor of the excrement gets worse as it decomposes.
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Black
brown
No, but it will give your sweat, urine, and feces a pungent, garlicky odor.
-- color -- density -- hardness -- reflectivity -- odor -- taste -- malleability -- roughness