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本实验选40只雄性大白鼠,体重为150~160克,随机分为5组,每组8只,实验前禁食24小时,饮水不限,参照Borella1980年的方法,在同一天早晨,每只大鼠用喂饲器喂饲2毫升保温在37℃的水或液态食物和20粒直径为0.5毫米的琥珀树脂球,所有的动物都在2小时后处死,先取出胃,剖开后查记球数。肠管放冰箱贮存二天后取出展直,查记下每10厘米为一段的肠内球数。
In this experiment, 40 male rats weighing 150-160 grams were randomly divided into 5 groups with 8 mice in each group. Before the experiment, they were fasted for 24 hours and the drinking water was not limited. According to Borella 1980 method, the same morning, each The rats were fed with 2 ml of water or liquid food kept at 37° C. and 20 amber balls of 0.5 mm in diameter. All animals were sacrificed after 2 hours. The stomach was removed first, followed by a follow-up examination. Remember the number of balls. After the bowel was stored in the refrigerator for two days, it was taken out for display, and the number of intestinal balls per 10 cm was counted.