Chinese herbal medicine feed additive and application thereof in high-protein feed

The invention belongs to the field of feed additives, and particularly relates to a Chinese herbal medicine feed additive and application of the Chinese herbal medicine feed additive in high-protein feed. The Chinese herbal medicine feed additive is prepared by mixing clove leaves and bunge corydalis herb according to a mass ratio of 1: 3-3: 1 and then extracting. The prepared Chinese herbal medicine feed additive has an obvious improvement effect on nutritional diarrhea caused by high protein of pigs, the total effective rate reaches up to 93.3%, and in the aspects of daily gain and daily ingestion, the growth promoting effect of the prepared Chinese herbal medicine feed additive is better than that of drugs such as aureomycin in the prior art. 本发明属于饲料添加剂领域，具体涉及一种中草药饲料添加剂及其在高蛋白饲料中的应用，所述中草药饲料添加剂的有效成分为丁香叶提取物与苦地丁提取物，所述中草药饲料添加剂是将丁香叶与苦地丁按质量比为1：3～3：1混合后提取制备而成。本发明制备的中草药饲料添加剂对猪的高蛋白所致营养性腹泻具有明显改善效果，总有效率高达93.3%，且在日增重和日采食方面，本发明制备的中草药饲料添加剂的促生长效果也优于现有技术的金霉素等药物。