[Objective] The study was to screen the Chinese medicines with good resistance to Neospora caninum. [Method] Healthy Kunming mice pretreated with methylprednisolone for the purpose of immunity decrease were randomly divided into 15 groups, and each mouse was intraperitoneally inoculated with 1.0 ×104 N. caninum. Four hours later, the mice were gavaged with various Chinese medicines. Seven days post-administration, eyeball blood sampling was conducted and the serum was used for antibody level detection with ELISA method. [Result] Four among the 15 Chinese medicines showed lower antibody positive rates. [Conclusion] Scutellaria baicalensis, Stemona sessilifolia, Gastrodia elata and Coptis chinensis could enhance the immunity level of mice infected by N. caninum.
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