【摘 要】
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Antibiotics have been used in animal feeding for long history.Inrecent years ,much attention has been received for their negative effects on animal and human be
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Antibiotics have been used in animal feeding for long history.Inrecent years ,much attention has been received for their negative effects on animal and human being as well.Technology has been focused on altatives of antibotics ,such as probiotics ,oligosaccharides ,acidifiers ,Chinese herds ,chemical drugs ,and other environmental measures.Their mechanism,effects,related factors and their prospect in the future were discussed in this paper.
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