It you have eaten some food colouring's, foods containing natural stain like beets or if there is blood present at which point you should consider medical advice
The dye in it possibly could.
No, horse feces does not turn into hay. Horse feces is composted and it turns into horse manure. This is used as a fertilizer.
Because your feces has magical powers that turns anything it touches to feces, and one day your family thought your feces was cookies, ate it, and then they turned into feces! TADAA!
The red food coloring in (mostly cheap) red wine combined with the normal brown color of feces = green!
Yup
It is most likely that the food you are feeding it with, has red dye in it.
The food you ate.
Fecal matter can be allowed to compost and turn into soil. Or if it is manure (cow feces), it can be applied directly to crops.
They get out of your body by your feces
Because spinach has a great deal of chlorophyll in it. Beets will trun them red. Nothing to worry about.
I am not sure, but my best guess is that they are choking.
Yes if its eaten and digested by a grass eating animal