The reasons why golden retrievers have bad breath:

1. Golden retrievers suffer from oral diseases. Oral diseases such as oral ulcers and periodontitis are the main causes of bad breath in dogs, because when dogs suffer from oral diseases, there will be a large number of bacteria in the mouth, and there will also be mucosal ulcers, etc., which will emit an unpleasant smell. .

2. Food remains in the golden retriever’s mouth. After a dog eats, there will be a lot of food residue left between the teeth. The temperature in the dog's mouth is very high, so it is easy for the food residue to rot and ferment, leading to bad breath.

3. Golden retriever dogs have indigestion. When a dog has symptoms of indigestion such as constipation, diarrhea, flatulence, etc., it is easy for the dog to burp, and the smell of chyme in the intestines and stomach will emit from the mouth.

4. The diet of golden retrievers is unhealthy. When a dog always eats human food, or often picks up garbage or eats soft food, it will increase the burden on the dog's gastrointestinal tract, lead to oral diseases, and then cause bad breath.

5. Golden retrievers suffer from diabetes. If a dog suffers from diseases such as diabetes and causes ketosis in the dog, the dog's mouth will smell like a rotten apple.