What are the causes of dog infertility?

The owner is overly pampered and feeds too much protein, fat and sugar for a long time and simply. In addition, lack of exercise makes the female dog too obese, fat deposition in the ovary, fat degeneration in the follicle epithelium, and fat degeneration in the affected animal. The affected animal is not in estrus, or does not conceive even if it is conceived, and there is a higher chance of miscarriage. Common dog foods include monotonous, inferior or lack of essential amino acids, minerals and vitamins, etc., specifically: vitamin A deficiency can cause degeneration of epithelial cells, egg cells and follicle epithelial cells in the endometrium. Follicles atresia or form cysts, vitamin E deficiency can cause pregnancy interruption, stillbirth or hidden miscarriage, B vitamin deficiency can weaken the uterine contraction function, damage the production and ovulation of egg cells, making the female animal not in estrus for a long time; vitamin D deficiency can cause mineral metabolism disorders in the body, which can indirectly cause infertility.

When reaching the age of mating, but the reproductive organs are underdeveloped or lacking reproductive ability, bisexual malformations, that is, they have both male and female gonads, and abnormal genital tracts, such as the cervix and uterine horns, and the vagina or vagina are too narrow or atresia.