Results 101 to 110 of about 69,658 (143)

鲢鳙对鱼粪消化利用的研究

open access: yes, 1989
以鱼粪代表天然水体中有机碎屑,研究鲢、鳙对鱼粪的消化利用,并评价有机碎屑在鲢、鳙营养中的作用。在实验室条件下(水温30℃,溶氧6毫克/升以上,pH7—8,光照度2800lx),收集鲢、鳙摄食微囊藻后排出的粪作为试验用饲料。在限制摄食量的条件下,测定鱼对鱼粪的消化率及研究鱼粪对鲢、鳙生长的影响。研究结果是:(1)鲢、鳙对鱼粪中干物质消化率分别为58.54±9.53%及68.57±8.98%。其中蛋白质消化率分别为74.49±7.96%及80.41 ...
刘肖芳, 陈少莲
core  

收集大便标本容器的改良

open access: yesHuli yanjiu, 1994
收集大便标本容器的改良110031中国人民解放军沈阳军区北方医院郜亚光,林静目前临床收集大便标本普遍采用纸叠便盒,这不仅给病人采集标本时带来不便,而且标本在空气中暴露过久,增加了污染它物及标本与标本交叉污染的机会,在送检过程中看到暴露的粪便也十分不美...
doaj  

[Butyrate alleviates <i>Clostridium difficile</i> infection in high-fat diet-induced obese mice]. [PDF]

open access: yesNan Fang Yi Ke Da Xue Xue Bao
Dong M   +9 more
europepmc   +1 more source

[Antimicrobial resistance characteristics of <i>Escherichia coli</i> in infants younger than 90 days]. [PDF]

open access: yesZhongguo Dang Dai Er Ke Za Zhi
Zhang DM   +6 more
europepmc   +1 more source

[Dynamic changes in gut microbiota from 1 to 12 months of age in preterm infants]. [PDF]

open access: yesZhongguo Dang Dai Er Ke Za Zhi
Song QY, Zhao XL, Ding BL, Lyu Q, Ma LY.
europepmc   +1 more source

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