Chinese herb additive can improve the production performance of egg-type hens. The effect and mechanism of Chinese herb additive on the production performance of egg-laying hens were summarized.

• 摘要中草药添加剂对提高蛋鸡生产性能有重要的作用，越来越得到人们的重视。阐述了中草药添加剂对蛋鸡生产性能的影响及其作用机理。