It was emphasized that the survey on Brucella species and the dynamic change of epidemiologieal features were closely related which should not be ignored for the forecasting of Brucellosis epidemics.

• 作者强调，开展布氏菌种的监测工作，及时掌握菌种的动态变化规律，是预测布病疫情不可忽视的步骤(环节)。