Normally speaking, dogs have two testicles, which are balls. In front of the balls, there are two bow-shaped protrusions similar to balls, but they are not balls. They are to assist dogs during sexual intercourse. Locking the penis. There is no need to panic when an owner discovers that his dog appears to have four balls.

If there are four testicle-like protrusions in the scrotum, it may be a proliferative mass. It is recommended to take it to a pet hospital for puncture examination. If it is a benign growth, it only needs to be surgically removed.

Most dogs’ testicles will stay in the scrotum when they are 7 to 8 weeks old. At this time, because the testicles are still relatively small, they may not look obvious, but they can be touched by hand. In addition, there are very few dogs whose testicles will not completely descend into the scrotum until they are 6 months old. If the testicles are not seen after six months of age, it is suspected that the dog is suffering from cryptorchidism. Dogs with cryptorchidism should be taken to an animal hospital for sterilization surgery in time. Cryptorchidism may affect the dog's urinary tract and cause urinary tract diseases.