My sister sent me this, it maybe ought be a sticky...(no pun intended)
Reading Stools: Poopology 101
Yellow or greenish stool -- indicates rapid transit (small bowel).
Black, Tarry stool -- indicates bleeding in the upper digestive tract.
Bloody stool -- red blood or clots indicate bleeding in the colon.
Pasty, light-colored stool -- indicates lack of bile (liver disease).
Large, gray, rancid-smelling stool -- indicates inadequate digestion or absorption (malabsorption syndrome).
Watery stool -- indicates small bowel wall irritation (toxins and severe infections).
Foamy stool -- suggests a bacterial infection.
Greasy stool -- often with oil on the air around the anus: indicates malabsorption
Excessive mucus -- a glistening or jelly like appearance: indicates colonic origin.
Odor (the more watery the stool, the greater the odor)
Food like or smelling like sour milk -- suggests both rapid transit and malabsorption.
Putrid smelling -- suggests an intestinal infection.
Several in an hour, each small, with straining -- suggests colitis
Three or four times a day each large -- suggests malabsorption or small bowel disorder.
Condition of Dog:
Weight loss, malnutrition -- suggests small bowel disorder.
Normal appetite, minimal weight loss -- suggests large bowel disorder.
Vomiting - small bowel origin, except for colitis.