What dogs vomit is undigested food. This is mainly because when dogs eat, they do not chew carefully and swallow the whole piece. After doing strenuous exercise, sometimes you will vomit out what you have eaten, which is a normal rumination protection situation.
But if the vomitus has a different color, you need to pay more attention. It is often caused by lesions. For example, if the color of a dog's vomit is yellow-green, it often means bile has been vomited out; if the color of the gastric juice is brown, it most likely means there is bleeding in the stomach, the most common ones being gastric ulcers and duodenum. ulcer.
