The test was set up three treatment groups: A group (Chinese medicine group), B group (Chinese herbal medicine hormone group), C group (the hormone group). Herbal additives were added to A group and B group, C group was not added. The results showed that there was an obvious change in epithelial cells on the vaginal smear, which transformed some mesenchymal cells into keratinization cell, and caused estrus and weak ovulation; After being added the Chinese medicine about 9 days, ewes in the non-reproduction season entered the estrus earlier period , entered the estrus period after 15 days ,being noticed appearance changes when the rut occurs; Chinese herbal medicine was able to effectively induce the non-breeding season ewes and caused changes in vaginal cytology; Application of Chinese Herb on non-breeding season ewes induced estrus, the estrus rate was 80%,the pregnancy rate is only 25%, there was best effect on induction of the Chinese medicine hormone group, the estrus rate was up to 87.5%, the pregnancy rate reached 85.5%. |