1. Can be applied to the diagnosis of uterine diseases, such as uterine suppuration, endometritis.
2. Can be applied to the diagnosis of ovarian disease, such as persistent luteal, follicular cysts, follicles and corpus luteum developmental tracking.
3. The reproductive diseases in dairy cows are getting more and more complicated. The experience of hand-rectal examination and master's teaching can not completely meet the needs of production. Rely on advanced diagnostic techniques to promote a deeper understanding of reproductive diseases and to intuitively track and understand changes in the ovaries to improve the clinical skills of our clinical work.