* Diet: Certain foods, such as grass and vegetables, can cause green poop in cats. If your cat has recently eaten something new, this may be the cause of the green poop.
* Bile: Bile is a fluid that helps digest fats. When there is too much bile in the stool, it can turn green. This can be caused by a variety of factors, such as liver disease, gallbladder disease, or a blockage in the bile duct.
* Infections: Some infections, such as giardia and salmonella, can cause green poop in cats. These infections are usually spread through contact with contaminated food or water.
* Medications: Some medications, such as antibiotics, can cause green poop in cats. This is usually a temporary side effect that goes away once the medication is stopped.
If your cat has green poop and is not acting sick, it is likely not a cause for concern. However, if your cat is also experiencing other symptoms, such as vomiting, diarrhea, or weight loss, it is important to take them to the vet to rule out any underlying health problems.