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How to identify cashmere goat estrus?
(1) The external observation method is disturbed when the ewes produce estrus, the eyes are dull, the appetite is diminished, the snoring is called, and the vulva is red and swollen. In the early stage of oestrus, the mucus is transparent and the amount is small. The medium mucilage is filamentous and has a large amount. The mucous in the end stage is jelly-like. The estrus ewes are chased or crawled by the ram and often stand with their legs open and accept mating. In the flock, if the ewes cross each other, it can be considered as a sign of estrus, but the virgin sheep's estrus is not obvious. (2) Vaginal examination method Open the vagina with an opener to observe changes in the mucosa, secretions, and cervix of the vaginal wall, and determine whether the estrus is or not. During vaginal examination, the genital area of ​​the ewes should be cleaned first, cleaned, disinfected, dried and coated with sterile lubricant or soaked with saline. The inspector closes the front end of the opener, slowly inserts the vagina, gently opens the opener, and checks the vaginal changes with a mirror or flashlight. The estrus ewes vaginal mucous membrane congestion, the surface is bright and moist, there is a transparent mucus outflow; cervix mouth congestion, relaxation, opening, there is mucus outflow. After the inspection, close the opener and take it out. (3) Identify the estrus with the trial ram Choose a ram that is healthy, sexually active, and free from disease, 2 to 5 years old, and bring it to the trial situation. When the ewes accept the ram of the trial ram or even dig their legs to urinate, the ewes are considered estrus.