Causes of Bad Breath in Dogs

The causes of bad breath in dogs are: i. Food residues inside the dog’s mouth breed a large number of bacteria that trigger bad breath in dogs. Second, oral diseases caused by oral ulcers, stomatitis, oral tumors and other diseases, may cause bad breath in dogs. Third, a long period of time without dental cleaning for dogs, there is a large amount of dental calculus can also lead to bad breath.