Na Ren Hua, female, associate professor, graduated from Inner Mongolia Agriculture and Animal Husbandry College with a master's degree 1993. After graduation, he participated in the establishment of dual culture system, the expression and regulation of cdc25 and weel genes during the maturation and development of goat oocytes, the study of cell structure and molecular regulation function during fertilization of cattle, sheep and other domestic animals, and the "863" project, the study of key technologies for indoor breeding of Inner Mongolia white cashmere goats. 200 1 I completed the research on the sub-project "Expression of sperm protein and its mRNA in testis and epididymis of sheep and goats" funded by "863" project. Now he is in charge of the Inner Mongolia Natural Fund project "Expression of sperm maturation-related antigens in cattle and sheep during epididymal maturation", and mainly participates in the project "CAI research on livestock reproduction" of the school academic affairs office.