1 The case is that the dog may have eaten too much animal liver and canned food, which is too greasy. It contains too much protein. Dogs may have black stool after eating it.
In the second case, the dog may have gastrointestinal bleeding, and may have eaten sharp food such as fishbones and bones, which pierced the stomach. I will also have black stool at this time.
The third situation is that the dog's digestive tract has problems or bleeding. At this time, the black stool is not black and has a fishy smell.
The fourth situation is that the dog may not recover well after surgery and may have black stool.
All of the above conditions may lead to black stool in dogs. It is recommended that the owner go to the dog's pet hospital for examination as soon as possible after discovering it.
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