Comparison of the Curative Effect to Infectious Bursal Disease between A Single Principal Chinese Herbal Medicine and Its Chinese Herbal Medicine Mixture

To develop a good antiIBD Chinese Herbal Medicine Mixture,a single principle Chinese herbal medicine was screened and 3 kinds of Chinese herbal medicine mixtures were formed with different principle.The curative effect of a single principle Chinese herbal medicine and 3 kinds of Chinese herbal medicine mixtures were studied by using 3 batches of clinical experiments.The results indicated the clinic effect of Chinese herbal medicine mixtures made of Astragalus,antipyretic drugs,detoxifying drugs,yinnourishing drugs and invigorating bloodcirculation drugs was the bestThe pathologic change in the dead chicken was slighterThe weight growth in the survival chicken was more significant,i.e.the curative effect of Chinese herbal medicine mixture was better than that of the single principal Chiese herbal medicine,it would lead to remarkable variation of the curative effect to changed compositions of Chinese herbal medicine mixture except Astragalus by different principle.