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当前位置: 首页 > 文章 > 转基因稻米饲料对昆明雄性小白鼠营养效应的影响 湖北农业科学 2011,50 (19) 4013-4017
Position: Home > Articles > Effect of Transgenic Rice Diets on the Food Utilization Indices of the Kunming Male Mouse Hubei Agricultural Sciences 2011,50 (19) 4013-4017

转基因稻米饲料对昆明雄性小白鼠营养效应的影响

作  者：
李俊生;肖能文;赵彩云;关潇;吴刚
单  位：
中国环境科学研究院;武汉理工大学生物系
关键词：
转Bt基因水稻;饲料;小鼠;营养效应;平均相对生长率;净转化率
摘  要：
在室内用转基因水稻Bt汕优63及其亲本杂交水稻汕优63稻米制备的小鼠人工饲料,分别在喂饲昆明种雄性小白鼠不同时间后测定其取食量、排粪量和营养效应指标。结果表明,小鼠在累积喂饲两种稻米制备的饲料4 d时的平均相对生长率(MRGR)、相对生长率(RGR)和相对消耗率(RCR)均显著高于其他累积喂饲时间(P<0.001)。不同水稻稻米制成的饲料对小鼠取食量、排粪量、平均相对生长率(P<0.001)和近似消化率(P<0.05)有显著的影响;不同喂饲时间对小鼠取食量、排粪量及其他营养效应指标均有显著的影响(P<0.001);二者之间的交互作用对小鼠取食量、排粪量、相对消耗率(P<0.001)和净转化率、近似消化率(P<0.05)有显著的影响。小鼠的相对生长率、毛转化率在分别喂饲两种水稻稻米制备的饲料不同时间后无显著的差异,净转化率在分别喂饲两种水稻米制备的饲料后除第4天外其他时间无显著差异。上述结果显示,转基因稻米制备的饲料对小型哺乳动物(如鼠类)的主要营养效应指标无明显影响。
译  名：
Effect of Transgenic Rice Diets on the Food Utilization Indices of the Kunming Male Mouse
作  者：
LI Jun-sheng1,XIAO Neng-wen1,ZHAO Cai-yun1,GUAN Xiao1,WU Gang2(1.Chinese Research Academy of Environmental Sciences,Beijing 100012,China; 2.Department of Biology,Wuhan University of Technology,Wuhan 430070,China)
关键词：
transgenic Bt rice cultivar;artificial diet;mouse;nutritional effects;mean relative growth rate;efficiency of conversion of digested food
摘  要：
In this experiment,the mouse artificial diets were produced by transgenic Bt rice cultivar "Shanyou 63" and conventional rice cultivar "Shanyou 63".The consumption,frass and food utilization of Kunming male mouse were studied after feeding with different days.The results showed that mean raletive growth rate(MRGR),retative grouth rate(RGR) and relative consumption rate(RCR) in mouse after feeding on conventional rice cultivar "Shanyou 63" by 4 days were significantly higher than those in other feeding times(P<0.001).The diet made of different rice showed significant effect on the mice in consumption,frass,MRGR(P<0.001)and approximate digestibility(AD)(P<0.05).The feeding time also showed significant effect on the consumption,frass and all food utilization indices(P<0.001).The interactions between diet variety and feeding time also presented significant influence on the consumption,frass,RCR(P<0.001),efficiency of conversion of digested food(ECD) and AD(P<0.05).However,no significant difference was found in RGR,and efficiency of conversion of indigested food(ECI) of the male mouse between transgenic Bt rice and conventional rice diets after feeding with different days,which indicated that there was no evident influence on the main food utilization indices for small mammals,such as mouse,after feeding on the artificial diet of transgenic Bt rice.

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