What is the cause of yellow urine in dogs?

There are many reasons why dogs have yellow urine: firstly, yellow urine caused by fire or low water intake, drink more water and have a lighter diet. Secondly, yellow urine in the morning when you wake up for the first time, this is a normal phenomenon. Third, caused by disease. If the yellow urine is accompanied by poor spirits, loss of appetite, or yellowing of the eyes or oral mucosa, this indicates an abnormality in bilirubin metabolism and should be taken to the hospital for examination as soon as possible.