Most of the susceptibility to uterine pus accumulation occurs in older dogs over 7 years of age, and the incidence of unspayed older bitches is quite high. This disease often just occurs when only the symptoms of frequent thirst and frequent urination, if it is not open type flow of large amounts of discharge, the owner will not pay much attention. If delayed for a long time, the body tissues will be damaged by the absorption of bacterial endotoxin, and in serious cases, kidney failure will occur, making it impossible to save the dog. Atretic uterine pus that does not flow out will cause peritonitis and rapid death when the uterus ruptures due to collision or excessive pus. In addition, the risk of anesthesia is high in old and sick dogs, and the cost of surgery and post-operative care is much higher than normal spaying and neutering, so animals that are not intended to be bred are best spayed or neutered as early as possible. The uterus is prone to endometritis after estrus due to hormonal relations, the uterus is prone to infection, a small amount of clinical discharge can be seen and can be controlled with medication, but this system of animals can easily become a case of uterine pus infection, surgical removal is the solution once and for all.
Prone to mammary tumors unspayed common disease in older animals, in dogs about 50% or more is a malignant tumor. Once it occurs, the chance of recurrence after excision is quite high. According to the literature, this disease causative factor is hormonally related and has little chance of occurring in animals neutered before one year of age. Animals prone to ovarian cysts will have persistent estrus and some will have vaginal hyperplasia. Surgical removal of the ovaries is required to solve the problem.
