健康新生(<24h)杂色豚鼠12只,清洁级,雌雄不限,体质量50-70g,由郑州大学医学院实验动物中心提供。
Twelve New born < 24 hours clean grade guinea pigs of either gender with a body mass of 50-70 g were provided by the Experimental Animals Center of Zhengzhou University School of Medicine .