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Body weight,daily food intake,open-field test,black-box test and the index of evisceral pain were investigated during the whole procedur;and detecting the Ulcer index,the contents Cortisol (CORT).

方法:雌性SD大鼠随机分组,实验测试指标有:旷场实验、暗盒实验、内脏疼痛指数行为学指标变化,动物摄食量和体重变化,以及溃疡指数,血清皮质醇含量。