標(biāo)題: antibiotic acts as a growth promoter [打印本頁] 作者: pusu19811225 時間: 2009-2-17 14:24 標(biāo)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(yǎng)分利于率的降低；4）腸壁厚度