IVDD is similar in humans and dogs. Both CD and NCD breeds may therefore serve as models of spontaneous IVDD for human research. However, as with all animal models, it is important to recognize interspecies differences and, indeed, the intraspecies differences between CD and NCD breeds (early vs. late onset of IVDD, respectively) to develop an optimal canine model of human IVDD.

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Pyometra is a common disease in dogs and cats. Hormones and opportunistic bacteria are fundamental in the development, with progesterone playing a key role. The disease should be suspected in intact bitches and queens presenting with illness, and particularly if within 4 months after estrus. Early diagnosis and treatment are vital to increase chances of survival as endotoxemia and sepsis often are induced. Typical clinical signs include vaginal discharge, depression, anorexia, polyuria and polydipsia, fever and gastrointestinal disturbances. Surgical ovariohysterectomy is the safest and most effective treatment. For breeding animals with less severe illness, purely medical treatments alternatives are possible.

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Differences in incidence rates among various breeds suggested a genetic involvement. Knowledge of the distribution of IVD degeneration-related diseases among dogs of various breeds and ages may facilitate early diagnosis and preemptive treatments in patients at risk for developing these diseases.