Ewes have four changes before giving birth
Before ejaculation, some organs of the organism undergo significant changes in histology, and the systemic behavior of ewe is different from usual. These changes are physiological preparations to meet the needs of the fetus and the needs of newborn lambs. Comprehensive observation of these changes can often predict the delivery time so as to prepare for midwifery.
Changes in the breast: The breast develops rapidly before delivery, and the glands are abundant. When the child is near the childbirth, a small amount of clear gummy liquid can be squeezed out of the nipple, or a small amount of colostrum can be used to increase the thickness of the nipple.
Changes in the vulva: When the child is near the childbirth, the labia gradually becomes softer, swollen, and enlarged. The wrinkled wall on the labia skin expands and the skin turns red. Vaginal mucous membrane flushing, mucus changes from thick to thin and smooth, frequent urination.
Changes in the pelvis: the pelvic pubic symphysis, the tarsal joints, and the ligaments on both sides of the pelvis are more active. They are soft on the tail and both sides, and the axillary depression is noticeable. Holding the tail roots in your hands for up and down activities, you feel that the sacrum has moved upward.
Changes in behaviour: The ewes are disturbed, their appetite is diminished, their abdomen is looked back, they lie down, they continue to swear and yell, and the abdomen's marked subsidence is a typical sign of labor and should be sent immediately to the delivery room.
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