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    標題: antibiotic acts as a growth promoter [打印本頁]

    作者: pusu19811225    時間: 2009-2-17 14:24
    標題: antibiotic acts as a growth promoter
    antibiotic is known as a growth promoter for it limits: 1st, some mocrobe activities in the small intestine; 2nd, production of some toxic metabolites;3rd, sometimes decrease inavaiablity of nutrients from feed for animals by microbes, 4th, the thickness of the wal of GIT(Gastrointesinal tract)
    作者: qiaoyongniu    時間: 2009-2-17 15:18
    wal = wall, mocrobe = microbe, 還有這段話似乎有些問題,比較費解
    作者: pusu19811225    時間: 2009-2-17 16:55
    這段話的基本意思是,抗生素作為生長促進劑,目前研究得比較清楚的是因為它可以限制或減少:1)小腸中某些微生物的活性;2)某些有毒代謝物的生成;3)養分利于率的降低;4)腸壁厚度




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