Sixty-four strains of Br. canis were isolated from 19 cities and counties, a higher detection rate of the pathogen being obtained in outskirts of cities and plain areas, followed by mountainous regions and hilly lands.

• 从19个市县分离出犬种布鲁氏菌64株,以城市郊区和平原地区的病原检出率较高,山地和丘陵地区次之。