Contents hormones affecting reproductive system female silver black fox in period preparation for estrus

Studies have been conducted to study the histostructure of the uterus, ovaries and hormone levels that affect the reproductive system of females of the silver fox. During an autopsy in aborted females, the uterine mucosa was thickened, hyperemic, and in the cavity of the horns of the uterus there was a translucent pink liquid. Microscopic examination of the horns of the uterus endometrium was in a state of desquamation, in the lumen of the uterus serous fluid mixed with lymphocytes, erythrocytes, myometrium is in a state of sero-inflammatory edema. Uterine glands are dilated, in the lumen - red blood cells and blood cell elements.In the autopsy study of the uterus and ovaries in females of silver-black fox, in which the sexual cycle did not develop to the estrus stage, the left ovary was enlarged in volume, on its surface a formation 0.5 cm x 0.5 cm in diameter filled with a translucent liquid the ovary is occupied by the corpus luteum, and under the capsule of the ovary there is a cavity. It was established that in the sexual cycle, the estrus stage did not occur due to the activity of the corpus luteum of the ovaries, as evidenced by the increased content of progesterone.